2018 Audi S3 Catback

This MACH Force-Xp exhaust system is constructed of mandrel-bent stainless steel tubing for maximum strength and durability. Featuring a high-flow stainless steel muffler that produces a deepened tone, this system is guaranteed to gain attention. Due to the state-of-the-art computer-aided technology...

This MACH Force-Xp exhaust system is constructed of mandrel-bent stainless steel tubing for maximum strength and durability. Featuring a high-flow stainless steel muffler that produces a deepened tone, this system is guaranteed to gain attention. Due to the state-of-the-art computer-aided technology...

This MACH Force-Xp exhaust system is constructed of mandrel-bent stainless steel tubing for maximum strength and durability. Featuring a high-flow stainless steel muffler that produces a deepened tone, this system is guaranteed to gain attention. Due to the state-of-the-art computer-aided technology...

Smooth bends, tight packaging, and two attitudes. The SwitchPath™ Exhaust is comprised of handcrafted 3-inch and 2.5-inch U.S.-sourced T304L stainless steel with a valved passenger-side tip outlet. SwitchPath™ retains the factory valve behavior, and obeys the S3’s ECU commands based on throttl...

Smooth bends, tight packaging, and two attitudes. The SwitchPath™ Exhaust is comprised of handcrafted 3-inch and 2.5-inch U.S.-sourced T304L stainless steel with a valved passenger-side tip outlet. SwitchPath™ retains the factory valve behavior, and obeys the S3’s ECU commands based on throttl...

For those who like it raw, rowdy, and light, the AWE Track Edition is for you. The Track Edition takes all of the precision engineering and performance of its SwitchPath™ counterpart, minus the valve on the passenger’s side and the muffler on the driver’s side. The result is a constant “valv...

For those who like it raw, rowdy, and light, the AWE Track Edition is for you. The Track Edition takes all of the precision engineering and performance of its SwitchPath™ counterpart, minus the valve on the passenger’s side and the muffler on the driver’s side. The result is a constant “valv...

If you're looking to have it cranked to 11 at all times, this is for you. The AWE SwitchPath™-to-Track Conversion kit replaces the rear muffler and valve section sections with straight-through, unfiltered Track Edition rear sections....

Take control of your car by swapping the rear Track Edition straight-sections for a bespoke muffler on the driver's side and a valves straight section on the passenger's side. Factory valve behavior is retained and controlled via driving modes. For complete control over your exhaust valve, we recomm...

Borla Cat-Back and Rear Section exhaust systems feature patented straight through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power; driving excitement; fuel economy; and the distinctive Borla Sound of power respected enthusiasts everywhere. Each system i...

THE ONLY EXHAUST YOU'LL EVER NEED - MBRP ARMOR PRO Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if y...

THE ONLY EXHAUST YOU'LL EVER NEED - MBRP ARMOR PRO Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if y...

THE ONLY EXHAUST YOU'LL EVER NEED - MBRP ARMOR PRO Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if y...