APR Performance Parts | Summit Racing

APR Suspension Control Upgrade Units

The APR Suspension Control Unit (SCU) Upgrade directly replaces your factory suspension controller with a new unit that enables advanced control over your vehicle's factory electronic shocks. The factory controller only operates in a "soft" or "stiff" state with no behavior in-between, despite the incredible capability of the factory electronic shocks. This controller has advanced programming that takes various inputs to provide fine-tuned control over the shocks in real time. The controller still retains factory comfort and sport functionally, and it doesn't compromise ride quality for performance. However, both modes rapidly increase performance depending on various inputs—such as acceleration, brake pressure, G-forces, steering angle, speed, and damper shaft velocity. The experience is absolutely transformative. For the casual driver, the vehicle is more comfortable and rides better than stock. Uncomfortable bouncing and stiffness are reduced, and the car settles faster to provide increased stability. This is accomplished by using the full operating range of the electronic shocks to provide a pleasant experience when you're driving normally. But once you begin pushing the vehicle, the controller quickly adapts to provide performance you never knew was possible from the factory shocks. Even on a straight-line launch, the system will help control weight transfer so you can improve your 60 ft. times for better acceleration and better times in the quarter-mile. On a twisty back road, or on a proper track, the controller adjusts each shock individually to provide the grip you need to cut faster lap times with more confidence as the chassis is more balanced. It improves weight transfer on corner turns by allowing a smoother transition, all without the shocks loading the tires, while also reducing overall body roll. Simply put, your vehicle will ride and perform better in every scenario and stays true to our mantra of performance without compromise! Order the Suspension Control Upgrade Unit recommended for your vehicle. Product features: * Direct plug-and-play upgrade * Provides full dynamic control over the electronic shocks in real-time * Optimized ride quality and comfort during normal daily driving * Optimized performance, handling, and cornering during spirited driving * Optimized launch control, traction, grip, and weight transfer * Reduces 60 ft. times for improved acceleration * More confident driving experience * Advanced signal processing provides real-time changes lightning fast speeds * Reacts in real-time to driving style to provide comfort or performance * Retains various factory levels of switchable performance; example: "Comfort" vs "Sport" * Fully 3D-mapped to the capabilities of your factory electronic shocks * Compatible with aftermarket springs, stabilizer bars, and other upgrades * Unit is unlocked and fully upgradable in the future * Unit is completely reversible and removable without a trace

Not Yet Reviewed

$1,449.95

APR Power Control Unit Remote Controls

APR Power Control Unit (PCU) remote controls give you Bluetooth access to change your PCU maps on the fly. While you always have access via your smart phone with APR's mobile apps, these remotes provide a quick and easy way to change programs with the click of a button. Features: * Quickly adjust power levels on your APR PCU * Sleek design, mounts anywhere * Batteries included * Clean and attractive design

Not Yet Reviewed

$111.95

APR Ultralink Tuners

APR Ultralink tuners enable you to tune your vehicle with APR Engine Control Unit (ECU) and APR Transmission Control Unit (TCU) upgrades right from the convenience of your own home, all on your own! It connects your vehicle directly to the Ultralink Marketplace, which is APR's online store filled with tens of thousands of tunes supporting most of the vehicles in their catalogue. The Ultralink lets you download and install new engine and transmission tunes, update to new file versions, jump to a new stage, change octanes and program modes; configure adjustable features such as launch control, torque levels, speed limiters, etc.; read and clear fault codes; reset flash counters, and more! APR kept its existing software owners in mind when creating the Ultralink. There's no need to purchase a tune twice! Your vehicle is already in APR's database as an existing customer. And best of all, the Ultralink is completely unlocked. Use it to buy and install software on all your or your friends' vehicles! Additional details: * Buy and tune as many vehicles as you want with one Ultralink device * No software required; Access, buy, and install over 10,000 in-house developed tunes at ultralink.goapr.com * Multiple stage tune offers for most vehicles, including transmission calibrations * Coverage includes VW, Audi, Porsche, Seat, Skoda, Cupra, Bentley, and Lamborghini vehicles * No additional charge for updates, switching octanes, or existing customers who purchased software from an APR dealer * New ECU/TCU support added monthly (always check APR application guide) * User-adjustable features, such as speed limiters, torque output, exhaust sound, and more available on various tunes * Reset the flash counter with each APR tune or uninstall APR software and go back to stock * Reads and clears fault codes

Not Yet Reviewed

$142.95

On Sale

APR Intercooler Systems

APR intercooler systems result in repeatable performance—even in the most demanding of situations. These massive front-mounted upgrades dramatically reduce intake air temperature (IAT), minimize heat soak, and provide increased performance in easy-to-install, direct bolt-on designs. The superior effectiveness and performance of APR systems is focused around core selection, end tank design, and specific install location for each application. Balancing all the necessary characteristics, APR's engineers perfected units with exceptional cooling and lowered pressure loss across the core, while maintaining critical airflow to components behind the system—delivering maximum performance and far exceeding the capabilities of factory intercoolers. Features may include: * Aluminum construction * Large bar-and-plate design with densely packed staggered and louvered fins * Smooth cast aluminum end tanks engineered for low turbulence/restriction and maximum flow * Pressure tested to prevent power robbing boost leaks * Full directions and APR world-renowned customer support * Some systems may include CNC-bent and TIG-welded mounting brackets, high-quality multi-ply silicone inlet and outlet hoses, T-bolt clamps, and billet MAP sensor housings

Not Yet Reviewed

$1,024.95

$921.95

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$2,254.95

APR R1 Diverter Valves

APR R1 diverter valves are a critical performance upgrade recommended at all stages of performance, as they replace failure-prone factory units. They're designed to withstand extreme boost pressures at the highest levels of performance, while offering lightning fast response. Unlike piston-based units that can stick and bind in the winter, APR R1s are virtually maintenance-free. APR R1 diverter valves: designed to be the last DV upgrade your engine will ever need! Features and benefits: * Friction-free, diaphragm-based design * No greasing or O-ring replacements common with other units * Constructed from CNC-machined billet aluminum * High-temperature Nomex-reinforced diaphragm

Not Yet Reviewed

$280.95

APR Carbon Fiber Turbo Inlet Pipes

APR carbon fiber turbo inlet pipes are continuous 80mm tubes that connect to the turbocharger via port-matching silicon couplers. These independent PCV units conveniently connect to the intake with a billet aluminum adapter. They feature an engine flex coupler that allows adequate engine movement without losing their secure grip. Properly complete your APR carbon fiber intake system upgrade with APR carbon fiber turbo inlet pipes.

Not Yet Reviewed

$234.95

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$383.95

APR Front Mufflers

APR offers this optional triangular front muffler which can be added to the APR cat-back exhaust system (sold separately). When upgrading to larger turbocharger, the exhaust system gets louder. For those who want it quieter, the APR drop-in front muffler makes for an excellent upgrade. Order your APR front mufflers for a smoother exhaust note. Front muffler features include: * T304 stainless steel construction * Argon-back-purged TIG welding throughout * 3 in. straight-through design * Brushed finish mufflers with optional easy-change center unit for sound customization * Direct-fit to APR cat-back exhaust system * Easy to install

Not Yet Reviewed

$332.95

APR Lowering Bump Stops

APR lowering bump stops improve handling and ride quality—and are designed for use on lowered vehicles, such as those with APR Roll-Control lowering springs. Bump stops are a critical handling and ride-quality component of your suspension system, but they're often completely overlooked. Most setups are either running the factory bump stops, which are too tall (causing constant engagement during normal driving); cut bump stops, which remove the progressive dampening; or they've removed them altogether. All of these scenarios hurt handling and make the ride harsh. APR bump stops are designed using a balance of durometer (hardness) and length to tune comfort and handling under normal and aggressive driving scenarios. The balance takes the following into account: * Length: A longer bump stop, like the factory units, will have more volume to absorb a harsh impact. But during normal driving on a lowered vehicle, they will constantly contact, which impacts both handling and comfort. The quick engagement can disrupt handling and cause driver discomfort. APR shortened the bump stop to ensure that they work on a lowered vehicle, but kept them tall enough so they have enough volume to absorb a hard hit. * Durometer (hardness): An overly soft bump stop is comfortable but can't absorb enough energy to protect from damage. Likewise, an overly stiff bump stop will impact ride quality, and impact handling negatively. Testing various setups, APR found a balance by increasing stiffness to provide better handling without going overly stiff as to impact comfort. The bump stops also have a progressive rate to them with a soft "nose." This allows the bump stop to gently engage so as to not disrupt handling. It's also less noticeable to the driver, aiding in the comfort of the driving experience. * Specifications: -- Material: PUR -- Front / Rear durometer: 75A (~50A OEM) / 65A (~55A OEM) -- Front / Rear I.D.: 19mm / 17mm -- Front / Rear O.D.: 56mm / 59mm -- Front / Rear length: 40mm (56mm OEM) / 80mm (110mm OEM) * Note: The OEM MK7 GTI, Jetta GLI, and Golf R, MK8 GTI, MK8 Golf R, and others all share the same bump stop length and durometers. Some have an extra ring to make them feel stiffer. * Bump stop features: -- Designed for lowered vehicles -- Improve handling and comfort -- Shorter than stock, enabling vehicle lowering without being overly short -- Increased durometer than stock without being overly harsh -- Progressive spring rate with a soft "nose" to provide a gentle engagement -- Perfect match to APR Roll-Control lowering springs -- OEM external dimensions for factory fit compatibility -- OEM quality black PUR (Polyurethane) material for durability and longevity -- Includes all 4 bump stops: 2 front and 2 rear

Not Yet Reviewed

$56.35

APR Coolant Performance Systems

APR Coolant Performance Systems are massive, front-mounted intercooler upgrades that dramatically reduce intake air temperature, minimize heat soak, and provide increased performance. They're up to 140 percent larger than the stock unit and feature a self-bleeding cooling circuit to ensure continual peak operating performance. The systems are easy to maintain and fully integrated into the factory cooling circuit. This upgrade is highly recommended at every stage. Order the model designed for your vehicle application.

Not Yet Reviewed

$1,549.95

APR 3.0 TFSI Supercharger Drive Kits

APR 3.0 TFSI supercharger drive and crank pulley upgrade kits have been designed to dramatically increase the rotational speed of the factory supercharger. When combined with APR's Ultra-Charger Throttle Body Upgrade in a dual pulley setup, the system is alleviated of power robbing inlet restrictions, allowing the engine to achieve exciting new levels of performance! The supercharger drive pulley decreases the diameter of the factory pulley from 63.25mm to 57.75mm, which in turn spins the supercharger 9.5 percent faster. This results in a healthy bump in horsepower and torque across the entire rpm range with the supercharger operating at a higher rate of speed. The pulley is CNC-machined from billet stainless steel, E-coated factory black for an OEM appearance and is press fitted to the factory supercharger unit. The supercharger crank pulley increases the diameter of the factory pulley from 162mm to 187mm, which in turn spins the supercharger 15.4 percent faster. This results in a larger bump in horsepower and torque across the entire rpm range, as the supercharger is spinning at an even higher rate of speed. The pulley is CNC-machined from light weight billet aluminum with weight saving pockets throughout and has an anodized black finish and includes new crank pulley bolts. It retains the factory harmonically balanced crank pulley and bolts on top of the existing unit. Upgrading both the supercharger drive and crank pulleys results in the factory supercharger spinning faster than stock, which results in an even higher horsepower and torque gain across the entire rpm range. However, at the airflow levels achieved with a dual pulley setup, maximum power is severely restricted by the factory throttle body unit. APR's Ultra-Charger Throttle Body Upgrade is necessary to take full advantage of the dual pulley configuration and is available in platform specific variations for the B8/B8.5 A4/A4/S4/S5, Q5/SQ5 and C7 A6/A7.

Not Yet Reviewed

$614.95

APR Cat-Back Exhaust Systems with Front Muffler

APR cat-back exhaust systems with front muffler personalize your vehicle's looks, sound, and performance. Beautifully hand-crafted T304 stainless steel components adorn the system, with stunning TIG welding throughout. The straight-though brushed finish mufflers smooth the exhaust note to a deep growl, without adding restrictions, while the Helmholz resonator reduces unwanted frequencies. Strong high-quality bracketry and OE-style clamps hold the system steadily in place, making the install or removal a snap—and fitment simple, yet precise. A cast 3 in. (or 2.5 in., depending on model) to quad 2.5 in. rear splitter creates an ultra-smooth transition, steadily feeding exhaust gasses out of the system, while looking tidy from under the rear bumper. APR's cast valve housings enable the vehicle to be fitted with the factory electronic valve actuators, retaining OE valve operation. Some cat-back models also include removable 4 in. polished slash-cut exhaust tips finish the system, adding a classy motorsport-inspired touch to the rear of the vehicle. Order the system recommended for your vehicle application. Cat-back systems come standard with a single muffler, but this model adds the front triangular muffler as an upgrade for those who prefer a quieter exhaust. The mufflers are responsible for tuning the exhaust note—and do so without adding unnecessary restrictions to the system. Each unit features a straight-through perforated tube that's tightly wrapped with stainless steel and fiberglass material. Additional details: * Low-profile design, suitable for lowered vehicles * Larger diameter piping and tips, compared to stock * No increase in weight, compared to stock * Limited lifetime warranty

Not Yet Reviewed

$1,649.95

On Sale

APR Ignition Coils

APR designs their ignition coils to be direct plug-and-play upgrades to your factory coils. They provide greater energy output (by up to 10 percent) that ensures a stronger and more consistent spark and include the coveted red housing made popular by the Audi R8. Enhance both your vehicle's style and performance with APR ignition coils!

5.0 out of 5 stars ( 3 )

$51.19

$32.24

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$51.19

On Sale

APR Open PEX Intake Systems

APR Open PEX intake systems offer the best dollar-per-horsepower. Featuring cross-linked polyethylene (PEX) construction, they maximize performance and sound by reducing pressure drop and heat retention and increasing airflow, translating into more horsepower and torque with less physical strain on the turbocharger. The Open PEX system looks great, sounds amazing, and produces power you can feel. Features: * Greatly outflows the full factory frontal airbox * High-heat deflection PEX construction * Massive 7 in. washable and reusable cotton filter with a frontal inlet and 4 in. rear outlet * Creates an intoxicating intake sound in the engine bay * Improves throttle response * Compatible with APR and factory rear intake tubes and turbo inlet pipes * Easily installs in minutes

Not Yet Reviewed

$332.95

$299.65

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$332.95

APR Modular Air Intake Systems

APR modular air intake systems are completely configurable as open or closed systems, with an OEM-inspired cover or more stylish carbon fiber models. Depending on the application, the systems are also compatible with stock and larger turbocharger systems, (OEM, hybrid, and aftermarket) thanks to swappable back tubes and turbo inlet adapters. The assemblies flow dramatically more than stock, have lower pressure drops, increase horsepower and torque, sound better, look better, and come in at a price point that's unbelievably affordable. APR modular air intake systems are the only intake system you'll ever need! Features, items, and specs: * Full intake system from the front inlets to the turbo inlet adapter * Covers (available separately) can transform the open system to closed * Removable and upgradable turbo back pipes and adapters, depending on the configuration * Increased airflow over a stock turbocharger, and more with a larger turbo * Extremely precise fitment for easy installation * Straight-through design with no sharp bends or restrictions * Works with most turbo upgrades and configurable for future modifications * Emissions compliant

Not Yet Reviewed

$357.95

APR Carbon Fiber Intake Systems

APR carbon fiber intake systems let your engine breathe! The stunning carbon fiber design rejects power-robbing heat from your engine bay and efficiently delivers an unrestrictive path for cold, dense air fed from outside the engine bay. These systems use high-flow filters, providing excellent filtration without restrictions—prudently keeping the engine clean and optimizing power delivery. They dramatically outflow your stock intake, sharpening throttle response and lessening strain on the turbocharger. APR carbon fiber intake systems typically install in minutes, look fantastic, instantly deliver a sporty engine note, and are recommended for all stages of performance.

Not Yet Reviewed

$562.95

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$2,869.95

APR Open Intake Systems

APR open intake systems are the maximum flowing, low-cost options for nearly any setup! They feature a straight through filter design with minimal twists and bends for maximum flow and minimal pressure drop. They are equipped with APR's proprietary washable and reusable cotton gauze high-flow filter that flows 22 percent more than stock at various depressions, registers less pressure drop at each depression, has 20 percent more surface area compared to stock, and uses a filter substrate material proven on other APR intake systems to provide the necessary filtration to last a lifetime. Features and benefits: * 5 in. (127mm) filter transition is 260 percent larger than stock * Filter outlet stack increases air velocity to maximize flow * Less strain on factory components compared to stock * Better throttle and turbo response compared to stock * Airbox design captures fresh air from frontal inlet, reducing suction from engine bay and radiator, keeping system constantly fed with cool incoming air * Heatshield and inlet pipe are made from a glass filled polypropylene material that acts as an excellent heat deflection barrier to minimize inlet temperatures compared to no shield * Enhanced engine and turbocharger sounds * Easy install—simply pops into place on the factory mounting pegs * Supports both MAF and non-MAF engines

4.0 out of 5 stars ( 1 )

$280.95

On Sale

APR Replacement Air Intake Air Filters

APR replacement air filters are designed for their intake systems, meaning when you need a new filter, APR replacements should be your first and only choice. They feature high-quality construction with lightly oiled pleated cotton gauze. They will provide the perfect fit, along with the filtering performance and unrestricted airflow to maintain optimal operation of your APR intake system.

Not Yet Reviewed

$109.95

$30.99

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$214.95

APR Catch Cans

APR oil catch cans are able to increase performance. They trap excessive crankcase oil vapors and gunk, eliminate possible performance-robbing boost leaks, and will reduce airflow-restricting carbon buildup, octane-lowering oil vapors, and oil pooling within the intake tract. APR oil catch cans are simple modifications to install, drain in seconds with the flick of a knob, and recommended at all stages of performance.

Not Yet Reviewed

$383.95

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$819.95

APR Roll-Control Sway Bars

APR roll-control sway bars are designed to improve corner handling without diminishing ride quality. This simple, yet effective upgrade helps to reduce the load differentials between your vehicle's inner and outer wheels during cornering. In doing so, these sway bars improve vehicles under and oversteer balance, thus, giving the vehicle greater stability and control, with increased grip. These roll-control sway bars are offered in either front bar or rear bar applications, but designed for use together. Each bar is manufactured using the latest high-end techniques to offer a strong, weldless design capable of withstanding harsh track conditions. Order the required sway bar application to fit your specific requirements. Additional features: * Sold individually, bars are offered in either front bar or rear bar applications * Front bar application includes bushings, mounting brackets with hardware, and billet spacers * Rear bar application includes poly bushings to further reduce undesirable suspension flex * Strong, steel weldless design * Attractive red powdercoat finish * Larger than stock at 1 in. * Hollow weight-savings design * 2 adjustable pickup points

Not Yet Reviewed

$280.95

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$306.95

On Sale

APR Exhaust Tips

APR exhaust tips are the perfect complement to their exhaust systems, and a dramatic upgrade for the rear of your vehicle. Their motorsport-inspired tips will tuck nicely into the factory valance, gently following its curves and demanding all the right attention in all the right places. The tips are engraved with the APR logo and are offered in a selection of sizes and finishes.

5.0 out of 5 stars ( 1 )

$249.95

$90.15

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$280.95

On Sale

APR Air Intake Kit Components

APR offers air intake components for an easy and affordable way to replace your worn-out or missing parts. Each piece is designed with the original factory shape to ensure an authentic look to meet your needs. Order the APR air intake components best suited to provide the optimal fit, form, and function for your ride!

5.0 out of 5 stars ( 1 )

$9.95

$5.61

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$81.95

APR PEX Intake Systems

APR PEX intake systems are attractive high-performance upgrades designed to increase performance by letting the engine breathe more freely. Their closed airbox design rejects power-robbing heat from the engine bay thanks to the high-heat deflection material used, and it provides an unrestrictive path for cold, dense air fed from outside of the engine bay to maximize power. A high-flow, reusable filter provides excellent filtration without the restrictions, which keeps the engine clean while optimizing power delivery. APR PEX intake systems recorded a 31 percent cfm improvement over the factory airbox, which translates into a sharper throttle response, lessened strain on the turbocharger, and more horsepower and torque. Offering an excellent value, PEX systems install in minutes, looks fantastic, deliver a sporty engine note, and is recommended at all stages of performance.

Not Yet Reviewed

$280.95

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$819.95

On Sale

APR Iridium Pro Spark Plugs

Featuring one of the strongest available materials for this type of product, APR Iridium Pro spark plugs help provide an ideal upgrade for tuned engines. They run cooler, resist pre-ignition, last longer than other materials with higher melting points, and require less voltage to produce a strong spark. The electrode is harder and stronger than other materials; can dissipate heat more easily; and is better protected from melting, cracking and other limitations found with standard models. These plugs are designed for use on tuned and high-performance vehicles that benefit from a 'cold' plug. They also pair nicely with APR ignition coils, where applicable. Order the APR Iridium Pro spark plugs recommended for your vehicle. Other features include: * Heat range 9 (similar to Bosch 3, Brisk 10, Denso 27, and NGK 9 ranges) * Melting point is higher than platinum (38 percent), copper (125 percent) and silver (152 percent) * Available in non-projected and projected insulator designs * Optimized electrode design for hard-to-ignite fuels (ethanol, etc.)

Not Yet Reviewed

$30.70

$20.45

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$27.63

APR Lug Bolts

APR offers a variety of lug bolts in lengths and thread sizes to meet your needs. Unlike stock wheel studs, which only have a limited length, APR's extended lug bolts go together well with wheel spacers. Wheel spacers are designed to physically move the wheel further away from the hub for the desired offset needed to create the stance or look you desire, or clearance necessary to clear brake calipers. This typically requires longer bolts. Using longer style APR wheel studs will provide more thread engagement to secure your wheels tightly to their mounting hubs. Select the appropriate length and thread size APR lug bolts designed for your offset application.

4.0 out of 5 stars ( 1 )

$46.07

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$56.35

APR Air Intakes, Exhaust Systems & More