Cat Back

Agency Power has developed one of the best sounding and performing exhaust systems for the 2008 and up Subaru STI. The new muffler-less exhaust features all T304 stainless steel piping in 3inch diameter from the catalytic converter back. The piping is...

Agency Power has developed one of the best sounding and performing exhaust systems for the 2008 and up Subaru STI. The new muffler-less exhaust features all T304 stainless steel piping in 3inch diameter from the catalytic converter back. The piping is...

Agency Power has taken its experience with developing new exhausts to this new platform. This dual exhaust features 2. 5" 304 stainless steel piping, tag welded mandrel bends and satin finish. The dual 4" titanium tips or optional black ceramic are the...

Agency Power has developed one of the best sounding and performing exhaust systems for the 2008-2014 Subaru STI Hatch and 2011-2014 WRX Hatch. This all new redesigned resonated exhaust system features beautifully TIG welded T304 stainless steel piping...

AP 07-09 Porsche 997TT Titanium Muffler Exhaust System

Agency Power Exhaust System E92 BMW M3 08+ The ultimate driving machine now sounds like a true sports car. Agency Power has taken the E92 BMW M3 big V8 engine and given it some sound steroids. The Agency Power exhaust has a great tone which gives your...

The Mach Force XP cat-back exhaust system produces 11 hp and 10 lbs./ft. of torque. constructed from 2.75 in. mandrel bent 304 hand brushed stainless steel and utilizes a unique crossover pipe that helps to equalize exhaust pressure and tunes the exhaust...

This Atlas Cat-Back exhaust system is constructed of 4 in. mandrel-bent steel. Comes with Tubing; OE Style bayonet hangers; band clamps and all hardware necessary for a hassle free installation. The smooth curves and increased diameter of this exhaust...

This Atlas Cat-Back exhaust system is constructed of 4 in. mandrel-bent steel. Comes with Tubing; OE Style bayonet hangers; band clamps and all hardware necessary for a hassle free installation. The smooth curves and increased diameter of this exhaust...

Creates maximum performance and extreme mileage gains. The free flowing rear side exit exhaust system is constructed out of 2.25 in. mandrel bent 409 stainless steel and uses bayonet style hangers and band clamps for a hassle free installation. Fits both...

The Mach Force XP cat-back exhaust system produces 11 hp and 10 lbs./ft. of torque. constructed from 2.75 in. mandrel bent 304 hand brushed stainless steel and utilizes a unique crossover pipe that helps to equalize exhaust pressure and tunes the exhaust...

The Mach Force XP cat-back exhaust system produces 11 hp and 10 lbs./ft. of torque. constructed from 2.75 in. mandrel bent 304 hand brushed stainless steel and utilizes a unique crossover pipe that helps to equalize exhaust pressure and tunes the exhaust...

The Mach Force XP cat-back exhaust system produces 11 hp and 10 lbs./ft. of torque. constructed from 2.75 in. mandrel bent 304 hand brushed stainless steel and utilizes a unique crossover pipe that helps to equalize exhaust pressure and tunes the exhaust...

Advanced Flow Engineering, Inc. (aFe) produces high flow, high performance air filters & intake systems for the automotive industry. Founded in April, 1999, aFe was created to address an obvious need in the automotive aftermarket industry: a lack of...

Advanced Flow Engineering, Inc. (aFe) produces high flow, high performance air filters & intake systems for the automotive industry. Founded in April, 1999, aFe was created to address an obvious need in the automotive aftermarket industry: a lack of...

Advanced Flow Engineering, Inc. (aFe) produces high flow, high performance air filters & intake systems for the automotive industry. Founded in April, 1999, aFe was created to address an obvious need in the automotive aftermarket industry: a lack of...