Improves exhaust tone and saves weight by replacing the factory center muffler with "straight-through" pipes for improved power and sound.                             ...

Dramatically improve sports car sound and throttle response with upgraded Maxflo mufflers and inlet tubing                                         ...

Dramatically improve sports car sound and throttle response with upgraded Maxflo mufflers and inlet tubing                                         ...

Loud and aggressive performance exhaust system recommended for track use only; replaces the restrictive factory mufflers with a free-flowing resonated design                           ...

Loud and aggressive performance exhaust system recommended for track use only; replaces the restrictive factory mufflers with a free-flowing resonated design                           ...

Resonated x-pipe replaces the heavy and restrictive factory mufflers for significant improvement in sound, throttle response, and power.                                 ...

Resonated x-pipe replaces the heavy and restrictive factory mufflers for significant improvement in sound, throttle response, and power.                                 ...

Replaces the heavy, restrictive, and redundant factory secondary catalytic converters with a straight-through tubing section for increased power, sound, and weight savings                       ...

Replaces the restrictive factory catalytic converters with much less restrictive straight-through pipes for maximum flow and performance.                                 ...

Replaces the restrictive factory cats with high-performance HJS Racing sport cats for maximum performance and sound                                       ...

Replaces the restrictive factory cats with high-performance HJS Racing sport cats for maximum performance and sound                                       ...

Replaces the heavy and restrictive factory rear exhaust system for massive weight savings, power gains, and improved exhaust tone.                                   ...

Replaces the heavy and restrictive factory rear exhaust system for massive weight savings, power gains, and improved exhaust tone.                                   ...

High-flowing X-Pipe replaces the heavy and restrictive factory exhaust system for maximum increase in performance and sound.                                   ...

APR now has a full 3" stainless steel, mandrel bent, exhaust for the 225hp TT Quattro. APR's TT Exhaust is a stainless steel, mandrel bent, turbo-back exhaust. Our exhaust begins at the factory turbocharger with a beautifully shaped ...

APR's TT Exhaust is a stainless steel, mandrel bent, cat-back exhaust. Our exhaust begins after the factory catalytic converter with a 2.5" pipe, and continues back to the muffler and two elegant semi-oval tips. This exhaust really wakes up ...

Special Note Does not fit vehicles with M-Aerodynamic rear bumper. Factory computer-controlled exhaust valve is eliminated. Dinan® engineers designed the F30 BMW 335i exhaust to improve exhaust flow by reducing back pressure, resulting in ...

Product Description Dinan's free flow exhaust for the 1 Series M is sporty, just as it should be. Improving exhaust flow and adding a great sporty sound that is aggressive under hard acceleration with less drone than stock. Improve performance ...