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AUDI S3 Air & Fuel Delivery

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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

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

K&N 69 Series Typhoon Cold Air Intake Kits

Built for power and show, K&N 69 Series Typhoon cold air intake kits are engineered to dramatically reduce intake restriction, resulting in additional horsepower and torque. These air intake kits primarily feature a free-flowing, mandrel-bent aluminum tube induction system designed to fit many performance vehicles. The Typhoon kits come in one of three designs: cold air intakes, short ram intakes, or complete cold air intakes—which can be configured as either cold air or short ram intakes. Some air intake models feature high-quality tube and end cap finish options, including polished aluminum, and black, blue, red, or silver powdercoated, among other options. Order the K&N 69 Series Typhoon cold air intake kit that is suited to fit your vehicle application.

4.72 out of 5 stars ( 463 )

$419.99


$369.99

Injector Dynamics ID1300x Fuel Injectors

Injector Dynamics ID1300x fuel injectors are high-flow models with characteristics specific to the needs of motorsport tuners. You get superior flow without sacrificing idle and cruising performance in low fuel demand situations. This perfect balance between reliability and performance makes the 1300x Series one of the most popular options in today's motorsports. These injectors not only work with gasoline, but any ethanol fuels your engine is tuned for. The stainless internals prevent corrosion, add durability, and provide dependable flow in high performance engines. Order the ID1300x fuel injectors recommended for your vehicle.

4.0 out of 5 stars ( 1 )

$1,030.26

$1,062.60

Turbosmart Kompact Dual Port Blow-Off Valves

Turbosmart Kompact dual port blow-off valves offer high performance, OEM fitment, versatility, and affordability—in other words, everything you need! These BOVs feature dual ports that vent into both the atmosphere and the air intake, reducing turbo lag and eliminating cavitation. Turbosmart Kompact dual port blow-off valves are designed to be bolt-on replacements for plastic factory Bosch or Denso units. They use sequential timing to allow for quieter operation during normal driving, while still providing the benefits of a vent-to-atmosphere type BOV under race conditions. They are easily converted into full atmospheric or full bypass units by using the included port blanking plug.

4.54 out of 5 stars ( 28 )

$315.89

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

$399.95

Injector Dynamics ID1050x Fuel Injectors

Injector Dynamics ID1050x fuel injectors are a built-to-spec motorsport injector, offering optimization of critical operating parameters important to you, the motorsport tuner. Built on the evolution of the ID1000 and X Series, these injectors are a drastic improvement over previous series from Injector Dynamics. Order the set recommended for your vehicle. Features include: * Requires only 8 V for consistent operation at 8 bar * Corrosion resistance makes them compatible with all automotive fuels * Compact bodies allow fitment in over 200 applications * Improved internal flow path—without sacrificing low flow performance * Stronger magnetic circuit offers stable operation up to 10 bar * Replaceable inlet filter extends service life

5.0 out of 5 stars ( 10 )

$623.70

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

$56.35

$79.95

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 )

$24.95

Injector Dynamics ID1750x Fuel Injectors

The best just got better! Injector Dynamics ID1750x fuel injectors are a built-to-spec motorsport injector, offering optimization of critical operating parameters important to you, the motorsport tuner. Built on the evolution of the ID1700 and X Series, these fuel injectors are a drastic improvement over previous series from Injector Dynamics. Compared to the 1700, the 1750x offers: higher dynamic flow rate with no increase in minimum fuel mass, better cylinder to cylinder balance at low pulse widths, and improved pressure sensitivity—all while retaining the same "compatible with everything but dirt" corrosion resistance that made the ID1700 famous. Plus, a unique magnetic circuit, resulting from a lengthy development program, makes the ID1750x immune to voltage and pressure sensitivity problems that plague other high impedance high flow injectors. Order the set of fuel injectors recommended for your vehicle. Key features and benefits include: * Compact body design allows fitment in a variety of applications * Higher dynamic flow rate with no decrease in minimum fuel mass * Better cylinder to cylinder balance at low pulse widths * Improved pressure sensitivity * Corrosion resistance makes these fuel injectors compatible with Methanol/Ethanol/MTBE/Nitromethane and all known Hydrocarbon fuels * Unique magnetic circuit makes the ID1750x immune to voltage and pressure sensitivity problems that plague other high impedance high flow injectors * Narrow spray pattern—minimal wall wetting promotes quick response and smooth running * Does not require extended linearity at low flow rates

Not Yet Reviewed

$1,330.56

On Sale

K&N Washable Lifetime Performance Air Filters

K&N washable lifetime performance air filters are designed to increase horsepower and acceleration while providing excellent filtration. K&N makes over 1,400 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable--and are custom-designed to fit into your existing factory air box. Their drop-in design means that adding performance is simple. With most vehicles, you simply remove the disposable air filter and replace it with one of these K&N air filters. Find the model designed for your specific vehicle application.

4.8 out of 5 stars ( 1171 )

$68.99


$55.19

APR Open Carbon Fiber Intake Systems

APR open carbon fiber intake systems feature a beautiful carbon fiber air dam that directs fresh air into a massively oversized 7 in. cotton filter with frontal inlet. They include thick T304 stainless steel heat shields and air buffer gaps on the back of the carbon fiber shell to reject heat from the engine bay. Doing away with the airbox completely solves the dramatically undersized, power-robbing inlet restriction that's glaringly apparent at higher horsepower levels on the factory system. The 4 in. inlet is compatible with the factory inlet or the upgraded APR Ultracharger System, and efficiently creates an uninterrupted airflow path into the supercharger for maximum results. APR open carbon fiber intake systems are the ultimate air intake solution for your 3.0 TFSI. Features, items, and specs: * Drop-in open system installs in minutes * Flow bench gains up to 268 cfm at 28 in. of water column over stock * Average of 17 AWHP at stage 2+ (93 octane) more than factory system * Extremely precise fitment * Massive airflow improvements * 502 total cfm at 28 in. of H2O stock * SAI breather filter * Billet aluminum mounting feet * Billet aluminum 4 in. flange adapter

5.0 out of 5 stars ( 1 )

$562.95

S&B Filters Dry Cleanable Replacement Filters

S&B offers dry cleanable replacement filters for their cold air kits. The massive, highly-efficient air filters result in better performance while also protecting your engine. The 8-layer dry synthetic media trap dirt, dust, and debris before they can damage key components. These filters feature a black powdercoated steel cage for added protection. Feed your engine massive amounts of airflow, courtesy of an S&B replacement filter. Order the model recommended for your truck and engine application.

4.92 out of 5 stars ( 38 )

$69.00

Turbosmart Kompact Shortie Plumb Back Blow-Off Valves

Turbosmart Shortie Kompact Series blow-off valves are specifically designed to suit aftermarket and upgraded factory turbos. Unlike standard plastic valves that use single-layer diaphragms (which are known to crack under increased boost), the new Kompact valves use an O-ring sealed piston; coupled with their billet aluminum construction, this allows them to support over 30 psi. These blow-off valves are available as universal models or as a bolt-on replacement for the factory valve on all BorgWarner EFR, KKK, and most Eco-boost turbos. The Kompact Shortie Plumb Back provides better boost response and greater boost handling capability.

Not Yet Reviewed

$278.99

APR High-Pressure Fuel Pumps

APR high-pressure fuel pumps dramatically increase the maximum volume of fuel the HPFP can deliver. In doing so, the direct-injection fueling system is capable of satisfying fueling requirements set forth by high-horsepower setups. This is accomplished by increasing the displacement of the pump using high-quality components to exacting tolerances.

Not Yet Reviewed

$999.95

Wagner Tuning Competition Intercoolers

Wagner Tuning competition intercoolers replace your OEM unit with performance gains and low intake temperatures. Optimized by CAD, most feature lightweight, low restriction tube and fin construction, with a competition high-speed core and cast aluminum end tanks to give these intercoolers excellent cooling properties with less pressure drop. The design was improved further with flow analyses and simulations. Wagner Tuning competition intercoolers deliver an easy fitment and maximized cooling. They are treated with a protective anti-corrosion coating with perfect thermal heat-dissipating characteristics. Order the model designed for your vehicle application.

5.0 out of 5 stars ( 1 )

$949.00

APR Aluminum Intake Tubes

APR aluminum intake tubes are optional components for their air intake kits. When combined with their air intake systems, they can lead to further power increases. They can also slightly increase supercharger and/or turbocharger whine, which OEM systems tend to reduce to meet other design specifications. Order an APR aluminum intake tube to boost your driving satisfaction.

Not Yet Reviewed

$214.95

APR Air Intake Air Box Covers

Make your APR open intake system a closed system by adding APR air intake air box covers. They feature an appearance that ranges from OEM-style to custom, and snap into place without the need for any tools. Their additional airflow paths allow the system to pull more air for high-power setups, while also allowing for a more aggressive sound. Order the APR air intake air box cover designed for your application.

Not Yet Reviewed

$111.95

$460.95

On Sale

aFe Pro Dry S Air Filter Elements

If your vehicle spends the majority of its time on the street, and you desire to maximize airflow, then aFe Pro Dry S air filter elements are your best bet. These synthetic oil-less filters feature multiple layers of progressive media for optimum filtration and flow, even when dirty. The filters bump seals eliminate the need for sealants or gaskets since they conform to the filter housings and always return to their original form. Full 360-degree urethane frames allow proper OE fitment and strength. These air filter elements are available in a variety of styles and sizes for countless applications. For more airflow, and less mess, order the air filter element for your application needs.

4.67 out of 5 stars ( 125 )

$76.00


$60.80

APR Turbo Outlet Pipes

APR turbo outlet pipes replace the factory plastic pipe with a high-quality aluminum pipe that is a constant diameter within. APR pays close attention to the airflow paths and provide as few bends and tight radius turns as possible to maximize performance. Unlike the factory plastic pipes, APR's won't melt and crack under extreme conditions. This direct replacement piece additionally deletes the turbo muffler, which is integrated into the pipe on the Golf R/S3 and similar platform vehicles. The pipe features bead rolled connection points to resist hose slippage, and all mounting brackets are TIG-welded to the pipe for a strong connection. Finally, the pipe is finished in an attractive satin black finish. This all results in a more reliable setup and increased performance through a smooth and strong uninterrupted airflow path. Plus, these hoses are compatible with both OEM and upgraded APR charge hoses.

Not Yet Reviewed

$81.95

$383.95

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

APR Intercooler Hose Kits

APR intercooler hose kits include both inlet and outlet hoses to upgrade your failure-prone rubber hose and worm clamp setup with multi-ply silicone and T-bolt clamps. These kits include a multitude of enhancements designed for maximum performance, longevity, and insurance against power-robbing boost leaks. Features include: * Direct OEM replacement: Compatible with OEM/APR intercoolers, OEM throttle body, and all OEM turbochargers * EZ-Flow stepped design creates a smooth airflow path, reducing turbulence over non-stepped designs * Four-ply silicone provides the thickness and strength to support boost levels, and better heat resistance * Fluorosilicone internal lining ensures hose does not rapidly deteriorate over time when exposed to oil and gasoline from the PCV and EVAP systems * Clampco stainless steel T-bolt clamps offer increased strength and decreased hose slippage

3.0 out of 5 stars ( 2 )

$214.95

Beck/Arnley Throttle Bodies

Beck/Arnley offers throttle bodies for a wide range of vehicles, from the 1990s and up. These aluminum assemblies maintain the proper volume of airflow into your engine for optimum performance. These fuel injection units come complete with butterfly valve, motor, and necessary sensors (where needed). The replacements offer the same fit and function as your original equipment; order the model recommended for your vehicle.

Not Yet Reviewed

$213.99

On Sale

APR Throttle Body Inlet Systems

APR throttle body inlet system is a comprehensive upgrade to the factory charge pipe system from the intercooler outlet to the throttle body. APR replaces all the components and provide a new, larger, free flowing system that flows roughly 34 percent more than stock. This was achieved by increasing the cross-sectional area of the system and by reducing the tight radius bend directly in front of the throttle body. This system does away with two potential boost leak points thanks to their single cast design. They have upgraded the intercooler outlet hose to a multiply wire-reinforced silicone design with T-bolt clamps that resist boost leak over the stock counterpart. APR's new billet throttle body to manifold adapter provides a convenient boost and vacuum reference point which can be used to for a gauge or anything else that suits your build. Lastly the system comes complete with new throttle body and intake manifold gaskets, which are common leak points many never know to address.

Not Yet Reviewed

$222.95


$99.95