Exhaust Systems & Parts for Performance Car & Truck

Walker CalCat Direct-Fit Catalytic Converters

Specifically formulated for Californians, Walker CalCat direct-fit catalytic converters comply with regulations for OBD-II and pre-ODB-II vehicles. These converters have an OE-style and fit for ease of installation. The CalCats feature a stainless steel body, a heat-shielded pipe, and a structural brace for enhanced strength and durability. Get the best balance of performance and price from Walker CalCat direct-fit catalytic converters, available for a wide range of vehicle applications.

4.17 out of 5 stars ( 23 )

$225.99

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$1,917.99

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Walker CalCat Universal Catalytic Converters

Specifically created for Californians, Walker CalCat universal fit catalytic converters comply with regulations for OBD-II and pre-ODB-II vehicles. These converters feature a universal, weld-in design at a great cost savings over expensive OEM converters and feature a stainless steel body, heat-shielded pipe, and structural brace for enhanced strength and durability. Get the best balance of performance and price from Walker CalCat universal catalytic converters. Order the model designed for your application needs.

4.84 out of 5 stars ( 49 )

$582.99

$167.99

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$1,611.99

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aFe Mach Force XP Exhaust Systems

aFe Mach Force XP exhaust systems are constructed of mandrel-bent stainless steel and come complete with free-flowing muffler(s), OE-style bayonet hangers, flanges, and band clamps, plus all hardware necessary for a hassle-free installation. Offered in single, dual, or quad muffler configurations, their smooth curves and large diameter tubes help reduce restriction and keep exhaust gas flowing smoothly for increased horsepower and torque. Available in cat-back, axle-back, and downpipe-back designs, almost all Mach Force XP exhausts are direct bolt-on systems that require no cutting or drilling and include all necessary hardware for a hassle-free installation. Most also include wrinkle-black powdercoated or polished 304 stainless steel tip(s) with a laser-cut stainless steel aFe power badge. Select models have carbon fiber tips with CNC-machined laser-etched inserts. aFe Mach Force XP exhaust systems are an ideal combination of performance, fit, and value. Additional features include: * Fit a variety of light trucks and cars, including European models * Available with 409 or 304 stainless tubing (varies by model) * "Stepped design" models increase exhaust velocity creating a broader torque curve throughout the rpm range * Straight-through, free-flowing stainless steel mufflers absorb high-pitch tones producing powerful sound * Leak-free 360-degree sealing * Stable pipe location in high-vibration and high-heat conditions * Bayonet tips hold hanger bushings in place for an OE-style fit * Several versions convert OE single exhaust to dual exhausts * Where applicable, incorporates an exhaust valve that uses the OE exhaust valve motor (not included) to regulate exhaust flow * Some systems use a unique resonance chamber to replace the OE muffler; produces a weight savings of up to 15 lbs. * Hi-Tuck design of specific models provide extra ground clearance when using an aftermarket suspension kit Note: Some aFe Mach Force XP systems are "Race Only" products solely for competition use. Their use is limited to closed-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state, and federal laws.

4.46 out of 5 stars ( 37 )

$160.00

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$4,472.00

$144.00

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$4,024.80

Summit Bucks

MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converters

MagnaFlow California Grade CARB Compliant direct-fit catalytic converters comply with California Air Resources Board (CARB) emissions regulations, which require more precious metals and rigorous testing, plus the direct-fit means an easier bolt-on install for you. Choose the perfect fit for your vehicle. Features include: * Stainless steel construction * CNC-precision robotic manufacturing * Limited 5-year/50,000 mile warranty

2.67 out of 5 stars ( 3 )

$422.00

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$5,871.00

Flowmaster Pro Series Outlaw Race Mufflers

Get the maximum of what you need—quiet power—and the minimum of what you don't—added weight—with Flowmaster Pro Series Outlaw race mufflers. Responding to the increasing number of tracks that regulate sound emissions, Pro Series Outlaws offer the utmost decibel reduction with the least amount of weight and no shortage of power! They're surprisingly quiet, netting a reduction of approximately 8-10 decibels over open headers, and can be run with a turndown for further noise reduction. You can even use them as an addition to your existing exhaust system for quieter sound. Plus, you can run them with methanol or gas engines. Race like a bandit on the run—but legally—with Pro Series Outlaw race mufflers from Flowmaster.

4.0 out of 5 stars ( 1 )

$137.95

Yoshimura Signature Series RS-12 Exhaust Systems

Yoshimura Signature Series RS-12 exhaust systems deliver huge power at a very light weight! These systems offer better handling, thanks to a lower centralized mass coefficient. Systems feature a uniquely-styled muffler body with a carbon fiber cone end cap. Front cap design functions as a polyresonant chamber to lower dB output, while improving mid- to top-end power. Two-staged, stepped baffle tapered headpipe delivers optimal flow and performance. If you've been striving for a competitive edge, take things to the next level with the Yoshimura Signature Series RS-12 exhaust systems! Order the model designed for your application. Additional features and benefits: * The applications for the Signature Series line cover the entire powersports spectrum, including many of Yoshimura's offroad applications * Maximum muffler volume which helps manage sound, add power, and provide more clearance for the rear tire and brake caliper * Improved performance gains and weight reduction * Utilizes precision machined joints which provide a superior fit and improve system life and performance * Titanium systems include non-spark-arrested 99 dB motocross insert (unless noted) * Mufflers available with glossy carbon fiber, satin titanium, or brushed aluminum sleeve * Stainless systems come with 94 dB insert installed (meets AMA competition requirements), 2 meter max insert in the box * CARB/EPA tail-pipe emissions compliant; all applications are marked with appropriate EPA noise emissions labels and certified by an independent laboratory for EPA noise compliance * All Signature Series components are tested, documented, and marked, as required by federal and state regulations

Not Yet Reviewed

$899.00

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$1,149.00

Yoshimura Race Series RS-3 Exhaust Systems

If you're looking for a competitive edge on the track, the Yoshimura Race Series RS-3 exhaust systems are a superb option. They're designed with nothing but power in mind! Each system is developed in accordance with noise-compliance regulations imposed by most racing sanctioning bodies worldwide. Yoshimura's race-bred RS-3 full system has proven to be extremely popular among riders. It enhances performance dramatically, provides an enviable exhaust note, and offers the unmistakable look and sound of Yoshimura. The stainless steel muffler features a straight baffle that leads to a single turn-down machined aluminum end cap. Order the system designed to fit your motorcycle. Additional features: * Oval-shaped sleeve * Large volume of packing material * Straight baffle for ample flow * Stainless steel header and tailpipe (Note: Not intended for street use; for closed-course competition only)

Not Yet Reviewed

$799.00

Summit Bucks

MagnaFlow California Grade CARB Compliant Direct-Fit Manifold Catalytic Converters

MagnaFlow California Grade CARB Compliant direct-fit manifold catalytic converters comply with California Air Resources Board (CARB) emissions regulations, which require more precious metals and rigorous testing, plus the direct-fit means an easier bolt-on install for you. Features include: * Stainless steel construction * CNC-precision robotic manufacturing * Limited 5-year/50,000 mile warranty

2.5 out of 5 stars ( 2 )

$595.00

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$2,823.00

URO Parts Hot Air Hoses

Part of their extensive line of emissions components, URO Parts hot air hoses are designed to comply with all applicable air pollution regulations. To withstand the stress that today's deteriorating traffic conditions place on an engine, URO hot air hoses are precisely engineered and manufactured from high-quality materials to survive high underhood temperatures and constant vibration. Continuous research and development enables URO Parts to be the first to supply many OE-replacement emissions parts—at significant cost savings. These flex tube hoses are available in a variety of diameters for applications from the 1950s through the 1980s. Order the model recommended for your vehicle.

Not Yet Reviewed

$3.99

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$26.99

Standard Motor Air Pumps

Failed the emissions inspection? Standard Motor replacement air pumps are the ones to trust when OE falters. Controlling vehicle emissions is important for your car and our environment. SMP replacement pumps are quality-built components that will restore the effectiveness of your vehicle's emission control system with reliable performance. No engine runs at 100 percent efficiency. So, whether you call it an air injection pump, smog pump, or pollution pump, your vehicle needs it to burn those wasted hydrocarbons—and meet emission regulations. Choose Standard Motor air pumps to resolve your emissions issues.

Not Yet Reviewed

$140.99

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$353.99

Summit Bucks

FMF Racing Q4 Hex S/A Slip-On Mufflers

FMF Racing is the leader in high performance quiet technology and their Q4 HEX S/A slip-on mufflers are the next evolution in off-road exhaust. These slip-on mufflers employ intricate chambers, baffles and proprietary multistage packing material which makes them the best performing quiet muffler available. With the Q4 you don't need to hear the power, just feel the power! FMF approached the design process of the Q4 HEX with the goal of achieving more power, while keeping noise levels to a minimum. After countless hours of testing, FMF proved you don't have to settle for a plugged up, horsepower-robbing moto muffler to remain sound compliant. Key features: * Rugged design for off-road endurance * Less sound equals more ground * Meets USFS and FIM World Enduro sound regulations * Power gains throughout the entire rpm range * Spark arrestor included * Pounds lighter than stock

5.0 out of 5 stars ( 1 )

$404.99

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$512.99

Yoshimura Signature Series RS-4 Mufflers

Yoshimura Signature Series RS-4 mufflers deliver more power and fewer dB, with an improved sound for the rider who values quality over volume. These light off-road mufflers feature a carbon fiber cone end-cap, a 2-stage stepped perforated baffle, and noticeable good looks. And their front cap design functions as a poly-resonant chamber, making for quieter exhaust notes with improved mid- to top-end power. USFS-approved spark arrester sound inserts come installed in the mufflers. Material options of polished aluminum and stainless steel are available for the mufflers. Yoshimura Signature Series RS-4 components are tested, documented, and marked as required by federal and state regulations. Order the model recommended for your application.

Not Yet Reviewed

$619.00

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$789.00

Walker CalCat Manifold Converters

Specifically formulated for Californians, Walker CalCat manifold converters comply with regulations for OBD-II and pre-ODB-II vehicles. These exhaust manifolds have an integrated catalytic converter; their OE-style and fit enables an easier install. The CalCats feature a stainless steel body, a heat-shielded pipe, and a structural brace for enhanced strength and durability. In addition, they're built with the right loading of precious metals, the proper catalyst material and design, and a high-technology washcoat—providing enhanced oxygen storage capacity. Gain the best balance of performance and price from Walker CalCat manifold converters.

5.0 out of 5 stars ( 2 )

$461.99

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$1,207.99

Crown Automotive Catalytic Converters

By the early 1970s, the amount of pollutants being expelled by vehicles had reached the danger point. To combat this issue, the government regulated the use of catalytic converters. Crown Automotive catalytic converters are designed and built to OEM specs for reliable service and safety standards. They are the same size and shape as the original units to reduce fitment issues. Order the replacement model designed for your application.

1.0 out of 5 stars ( 1 )

$173.99

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$1,178.99

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URO Parts Air Injection Pumps

URO Parts air injection pumps are designed to comply with all applicable air pollution regulations. Like all of their exhaust emissions components, they are carefully engineered to withstand the challenges of today's deteriorating traffic conditions. URO Parts air injection pumps are manufactured using only premium materials and components to survive high underhood temperatures, constant vibration, and high pressures. Built in the same factories as many much more expensive OE parts, URO Parts offers the same or better quality, durability, and reliability.

Not Yet Reviewed

$105.99

$57.50

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$214.99

Yoshimura Race Series AT-2 Exhaust Systems

Give yourself a competitive edge with the Race Series AT-2 exhaust systems from Yoshimura. These exhaust systems are designed with nothing but power in mind—and the sound of the Alpha-T 2 exhaust systems are absolutely unmistakable Yoshimura! Each Race Series exhaust system is developed in accordance with noise compliance regulations imposed by most racing sanctioning bodies worldwide. In addition, the Race Series AT-2 exhaust systems' "Works Finish" takes on a unique coloring after it goes through a heat cycle on the motorcycle that looks much like those titanium works components that Yoshimura's factory racers use. One look at a Yoshimura Race Series AT-2 exhaust system—plus, its sweet exhaust note, you know it's something special! Key features and benefits: * All applications are marked with appropriate EPA noise emissions labels * Noticeable gains in max horsepower and max torque * Sheds weight compared to stock exhaust * Stainless steel construction with aggressively styled carbon fiber end cap and uses a facet-formed tip matte carbon fiber heel guard * Yoshimura "Works Finish" for lasting durability; uniform heat coloration really gives the system a titanium look when it's been through a 15-20 minute heat cycle * For closed course competition only; not intended for street use; has not been tested for EPA noise compliance

Not Yet Reviewed

$799.00

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$1,699.00

Yoshimura Race Series RS-5 Exhaust Systems

Yoshimura Race Series RS-5 exhaust systems deliver a competitive edge on the track. They're designed with nothing but power in mind! Each system is developed in accordance with noise-compliance regulations imposed by most racing sanctioning bodies worldwide. The RS-5 full system is one of Yoshimura's most popular pipes—and for a good reason. Its trapezoidal shape appeals to the eye and really captures the spirit of racing. It also complements the look of any sport bike, following the race-inspired lines of today's under-tail muffler configurations. RS-5 systems are available with either a carbon fiber or stainless steel muffler—and feature a wrapped perforated core interior. A stainless steel header and tailpipe are included. These systems weigh 4.2 lbs. less than stock configurations. Select the model designed to fit your motorcycle application. (Note: Not intended for street use; for closed course competition only.)

Not Yet Reviewed

$1,459.00

Pro Circuit Racing Ti-6 Pro Exhaust Systems

Pro Circuit Racing Ti-6 Pro exhaust systems offer a new level of race performance. The Ti-6 Pro systems were designed to not only increase performance, but to also ensure racers that they would pass AMA/FIM sound regulations. Pro Circuit builds these with titanium construction throughout the head pipe, mid pipe, and canister, while the great-looking end caps are made of carbon fiber. They also feature precision TIG welding, an asymmetrical muffler configuration for increased packing volume, and a machined mid pipe to head pipe joint for a better, leak-free fit. Many, but not all, are equipped with RC-4 resonance chambers. These are full race systems, so they do not include a USFS-approved spark arrestor. Install the next generation of pro-level exhaust on your bike with Pro Circuit Racing Ti-6 Pro exhaust systems.

Not Yet Reviewed

$1,269.95

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$1,414.95

Yoshimura Signature Series RS-4T Mufflers

Yoshimura Signature Series RS-4T mufflers feature a unique design that provides an unrivaled combination of power and a quiet exhaust note. Each RS-4T includes a polyresonant duplex chamber, two-stage stepped baffle, and an innovative carbon fiber turn-down end cap. Equip your street bike with a performance muffler from Yoshimura! Additional details: * Pentagonal-shaped sleeve * Stainless steel muffler sleeve for increased durability * Stainless steel tailpipe * All Signature Series components are tested, documented, and marked as required by federal and state regulations * New Yoshimura Works finish—takes on a unique coloring after it goes through a heat cycle on the motorcycle that looks much like those Titanium Works components that factory racers use -- Contemporary satin/matte finish -- Uniform heat coloration -- Increased fatigue strength -- Increased scratch and stain resistance NOTE: This product was designed to fit on a standard equipped motorcycle, as delivered from the factory. OE and aftermarket accessories not found on a bike as delivered from the factory may not be compatible with this product.

Not Yet Reviewed

$669.00

Walker Exhaust Ultra Direct-Fit Exhaust Manifolds

Walker Exhaust offers Ultra Direct-Fit exhaust manifolds for a wide range of applications—including many Chevrolet, GMC, and Hummer vehicles from the past two decades. Flange to flange, their direct-fit design bolts to your existing exhaust. They feature a stainless steel body with aluminized pipe and heat shields for durability; along with high precious metal load and high technology washcoat for premium performance. OE-style hangers, brackets, routings, and heat shields allow for quick and easy installation on direct-fit units. Additional product notes: * Universal catalytic converter may require modification to complete installation * Premium direct-fit and universal catalytic converters for OBDII vehicles (1996 and newer) * Meets EPA emissions requirements. * As of Feb. 2023, not legal for sale or use in California, Colorado and New York. Legal in ME on EPA Federal Emission Equipped Vehicles only. Consult your state's aftermarket converter regulations for details.

Not Yet Reviewed

$610.33

Yoshimura Low-Volume Inserts

When you need to replace your old spark arrestor Yoshimura low-volume inserts keep you compliant. These low-volume inserts are U.S. Forestry Service (USFS)-approved and will bring your decibel level to between 92-96 dB, depending on your application. Ensure that you stay within forestry regulations on your trail rides with Yoshimura low-volume inserts.

5.0 out of 5 stars ( 3 )

$40.95

Yoshimura Race Series RS-4 Exhaust Systems

Yoshimura's Race Series RS-4 exhaust systems are designed with nothing but power in mind! Each Race Series system is developed in accordance with noise compliance regulations imposed by most racing sanctioning bodies worldwide. The RS-4's unique design provides an unrivaled combination of power, along with a quiet exhaust note. These systems remove a good amount of weight from the stock unit. They also feature a polyresonant duplex chamber, a two-staged stepped baffle, and an innovative carbon cone end cap. If you're looking for that competitive edge, get and install one of these Race Series RS-4 exhaust systems from Yoshimura—they come out a winner in both looks and performance! Key features and benefits: * Pentagonal-shaped muffler sleeve and aluminum mount bracket * Front muffler cap functions as a polyresonant chamber which helps reduce noise * Two-stage stepped baffle * Durable high-grade stainless steel tapered header and mid-pipe * Considerable weight reduction * Carbon fiber end-cap comes with a U.S.F.S.-approved spark arrested insert installed in muffler (on most, but not all models) * All applications are marked with appropriate EPA noise emissions labels * Step-by-step directions and all necessary hardware included for an easy installation * For closed course competition only; not intended for street use; this system has not been tested for EPA noise compliance

Not Yet Reviewed

$779.00

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$789.00

Yoshimura Race Series R-77D Exhaust Systems

If you're looking for a competitive edge on the track, the Yoshimura Race Series R-77D exhaust systems may be your ticket to the winner's circle. They're designed with nothing but power in mind. Each system is developed in accordance with noise compliance regulations imposed by most racing sanctioning bodies worldwide. Yoshimura's R-77D full system is a dual-outlet version of the race-proven R-77. The carbon fiber muffler requires no inserts or restrictions, increasing packing life and providing five percent more open exhaust outlet area—with as much as three decibels lower sound output (compared to the standard open R-77). It offers greater gains in low- and mid-range power. Order the system designed for your motorcycle application. Additional features: * Superbike technology and styling * Innovative dual-outlet carbon fiber end-cap * Trapezoidal-shaped sleeve * Large volume of packing material * Straight baffle for ample flow * Stainless steel header and tailpipe (Note: Not intended for street use; for closed-course competition only)

Not Yet Reviewed

$1,449.00

Yoshimura Race Series RS-12 Exhaust Systems

Yoshimura Race Series RS-12 exhaust systems are designed with nothing but power in mind! You will notice many impressive performance details placed throughout the RS-12, from the matte carbon fiber end cap with decal inlays to the precise machined joints, these system takes it to the next level. Each Race Series exhaust system is developed in accordance with noise compliance regulations imposed by most racing sanctioning bodies worldwide. Plus, exclusive Yoshimura "Works Finish" takes on a unique coloring after it goes through a heat cycle on the motorcycle that looks much like those titanium works components that Yoshimura's factory racers use. If you're looking for a competitive edge, look no further than Yoshimura's Race Series RS-12 exhaust systems. Additional features and benefits: * Aggressive, intelligently designed, asymmetrical shaped, the RS-12's profile allows maximized muffler volume to help manage sound, add performance, weight reduction and provides more clearance for tire and brake caliper * Wrapped perforated core * Patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters * End cap design improves durability, and eases servicing as compared to other sandwich mounting designs most commonly found in the industry * Yoshimura "Works Finish" for lasting durability; uniform heat coloration really gives the system a titanium look when it's been through a 15-20 minute heat cycle * Stainless steel mid-pipe/stainless steel muffler/carbon fiber end cap * All applications are marked with appropriate EPA noise emissions labels * For closed course competition only; not intended for street use; has not been tested for EPA noise compliance

Not Yet Reviewed

$1,089.00

Performance and Replacement Car, Truck, and More Exhaust Parts