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This cat-back exhaust system is constructed of 3 IN - 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system features a high-flow stainless steel muffler, producing an aggressive sound. Muffler finish may vary. Finishing off this exhaust system are...

This cat-back exhaust system is constructed of 3 IN - 2-1/2 IN mandrel-bent brushed finished 304 stainless steel tubing for maximum strength and durability. This system features a high-flow stainless steel muffler, producing a mild sound. Muffler finish may vary. Finishing off this exhaust...

This cat-back exhaust system is constructed of 3 IN - 2-1/2 IN mandrel-bent brushed finished 304 stainless steel tubing for maximum strength and durability. This system features a high-flow stainless steel muffler, producing a mild sound. Muffler finish may vary. Finishing off this exhaust...

This cat-back exhaust system is constructed of 3 IN - 2-1/2 IN mandrel-bent brushed finished 304 stainless steel tubing for maximum strength and durability. This system features a high-flow stainless steel muffler, producing a mild sound. Muffler finish may vary. Finishing off this exhaust...

This axle-back exhaust system is constructed of 3 IN - 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system features a high-flow 304 stainless steel polished muffler, producing a mild sound. The muffler has a polished finish for ultimate...

This axle-back exhaust system is constructed of 3 IN - 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system features a high-flow 304 stainless steel polished muffler, producing a mild sound. The muffler has a polished finish for ultimate...

Performance Gains: This system produced gains of up to +11 HP and +15 lbs. x Ft. TQ., as measured on our in-house dyno.3" - 2-1/2" 304 Stainless Steel Construction: This axle-back exhaust system is constructed of 3" - 2-1/2" mandrel-bent 304 stainless steel tubing...

Performance Gains: This system produced gains of up to +11 HP and +15 lbs. x Ft. TQ., as measured on our in-house dyno.3" - 2-1/2" 304 Stainless Steel Construction: This axle-back exhaust system is constructed of 3" - 2-1/2" mandrel-bent 304 stainless steel tubing...

This system produced gains of up to +18 HP and +27 lbs. x Ft. TQ., as measured on our in-house dyno. This cat-back exhaust system is constructed of 3" - 2-1/2" mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system features...

Performance Gains: This system produced gains of up to +18 HP and +27 lbs. x Ft. TQ., as measured on our in-house dyno.3" - 2-1/2" 304 Stainless Steel Construction: This cat-back exhaust system is constructed of 3" - 2-1/2" mandrel-bent 304 stainless steel tubing...

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 utilized to design...

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 utilized to design...

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 utilized to design...

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 utilized to design...

Unleash power and sound while improving the looks on your M3 Coupe with this MACH Force-Xp cat back system by aFe POWER. The larger diameter, mandrel-bent tubing along with high-flow stainless steel mufflers optimize the sound and looks of your vehicle. This 100% hand...

Unleash power and sound while improving the looks on your M3 Coupe with this MACH Force-Xp cat back system by aFe POWER. The larger diameter, mandrel-bent tubing along with high-flow stainless steel mufflers optimize the sound and looks of your vehicle. This 100% hand...

Add power, sound and unique style to your BMW X5/X6 M with this aFe Power cat-back system which produced gains of up to +15 horsepower and +23 lbs. x ft. torque as measured on our in-house dyno. Dual 3" to 2-1/2" mandrel-bent, TIG welded,...

Add power, sound and unique style to your BMW X5/X6 M with this aFe Power cat-back system which produced gains of up to +15 horsepower and +23 lbs. x ft. torque as measured on our in-house dyno. Dual 3" to 2-1/2" mandrel-bent, TIG welded,...

Add power, sound and unique style to your BMW X5/X6 M with this cat-back system which produced gains of up to +20 horsepower and +33 lbs. x ft. torque as measured on our in-house dyno. Dual 3" to 2-1/2" mandrel-bent, brush finished 304 stainless...

Add power, sound and unique style to your BMW X5/X6 M with this cat-back system which produced gains of up to +20 horsepower and +33 lbs. x ft. torque as measured on our in-house dyno. Dual 3" to 2-1/2" mandrel-bent, brush finished 304 stainless...

The aFe MACH Force-Xp cat-back exhaust system exceeds your quality and performance expectations. Mandrel bent 304 stainless steel tubing and high flow transverse muffler offers maximum exhaust flow and incorporates a factory style exhaust valve to control the exhaust note. The valve utilizes the...

The aFe MACH Force-Xp cat-back exhaust system exceeds your quality and performance expectations. Mandrel bent 304 stainless steel tubing and high flow transverse muffler offers maximum exhaust flow and incorporates a factory style exhaust valve to control the exhaust note. The valve utilizes the...

Unleash power and sound while improving the looks on your Z4 M Coupe with this MACH Force-Xp 2-1/2" 304 stainless steel cat back system. The larger diameter, mandrel bent tubing along with high-flow, stainless steel mufflers are less restricting for maximum flow, optimum sound...

Unleash power and sound while improving the looks on your Z4 M Coupe with this MACH Force-Xp 2-1/2" 304 stainless steel cat back system. The larger diameter, mandrel bent tubing along with high-flow, stainless steel mufflers are less restricting for maximum flow, optimum sound...

Aggressive Sound: A free-flowing, transverse muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The muffler is finished with a high-temp powder-coated metallic black finish and a stamped aFe power logo. Exhaust Valve: This...

Aggressive Sound: A free-flowing, transverse muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The muffler is finished with a high-temp powder-coated metallic black finish and a stamped aFe power logo. Exhaust Valve: This...

Aggressive Sound: A free-flowing, transverse muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The muffler is finished with a high-temp powder-coated metallic black finish.Exhaust Valve: This Axle-back exhaust system incorporates a factory style...

Exhaust Valve: This axle-back exhaust system incorporates a factory style exhaust valve which uses the factory exhaust valve motor (not included). The valve helps regulate, direct and control the flow of exhaust gases by opening, closing, or partially obstructing passageways depending on throttle position...

Exhaust Valve: This axle-back exhaust system incorporates a factory style exhaust valve which uses the factory exhaust valve motor (not included). The valve helps regulate, direct and control the flow of exhaust gases by opening, closing, or partially obstructing passageways depending on throttle position...

Exhaust Valve: This axle-back exhaust system incorporates a factory style exhaust valve which uses the factory exhaust valve motor (not included). The valve helps regulate, direct and control the flow of exhaust gases by opening, closing, or partially obstructing passageways depending on throttle position...

Exhaust Valve: This axle-back exhaust system incorporates a factory style exhaust valve which uses the factory exhaust valve motor (not included). The valve helps regulate, direct and control the flow of exhaust gases by opening, closing, or partially obstructing passageways depending on throttle position...

Aggressive Sound: A free-flowing, transverse muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The muffler is finished with a high-temp powder-coated black finish and a stamped aFe power logo. Exhaust Valve: This -catback...

Aggressive Sound: A free-flowing, transverse muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The muffler is finished with a high-temp powder-coated black finish and a stamped aFe power logo. Exhaust Valve: This -catback...

Aggressive Sound: A free-flowing, transverse muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The muffler is finished with a high-temp powder-coated black finish and a stamped aFe power logo. Exhaust Valve: This down-pipe...

Aggressive Sound: A free-flowing, transverse muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The muffler is finished with a high-temp powder-coated black finish and a stamped aFe power logo. Exhaust Valve: This down-pipe...

Aggressive Sound: A free-flowing, transverse muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The muffler is finished with a high-temp powder-coated black finish and a stamped aFe power logo. Exhaust Valve: This down-pipe...

Aggressive Sound: A free-flowing, transverse muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The muffler is finished with a high-temp powder-coated black finish and a stamped aFe power logo. Simple Installation: This MACH...

Aggressive Sound: A free-flowing, transverse muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The muffler is finished with a high-temp powder-coated black finish and a stamped aFe power logo. Simple Installation: This MACH...

Testing: Up to 31% increase in Flow. 14" Muffler: This system incorporates a large 14" stainless steel muffler which produces a mellow sound while virtually eliminating exhaust drone. Flow and Performance: This MACH Force-Xp cat-back exhaust system is constructed of 2-1/2" mandrel bent 304...

This MACH Force-Xp Cat-Back exhaust system is constructed of 3" mandrel-bent stainless steel tubing and comes complete with free-flowing high temp black powder-coated muffler, OE style bayonet hangers, band clamps and necessary hardware for a hassle-free installation. The smooth curves and increased diameter of...

This cat-back exhaust system is constructed of 3 IN - 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system features a high-flow stainless steel high-temperature metallic black muffler, producing a aggressive sound. The muffler has a high-temperature metallic black...

This cat-back exhaust system is constructed of 3 IN - 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system features a high-flow stainless steel high-temperature metallic black muffler, producing a aggressive sound. The muffler has a high-temperature metallic black...

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 choice for a high performance...

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 choice for a high performance...

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 pulse. Comes...

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 pulse. Comes...

aFe introduces the MACH Force XP dual axle-back exhaust system for the 11-14 Mustang GT V8-5.0L. In recent testing this system produced 18 horsepower and 15 lbs. x ft. of torque. This exhaust is constructed from 3 in. mandrel-bent, stainless steel and is MIG-welded....

aFe introduces the MACH Force XP dual axle-back exhaust system for the 11-14 Mustang GT V8-5.0L. In recent testing this system produced 18 horsepower and 15 lbs. x ft. of torque. This exhaust is constructed from 3 in. mandrel-bent, stainless steel and is MIG-welded....

aFe is proud to introduce the Dual Cat-Back Exhaust System for the 2012-2013 Volkswagen Beetle with the L4-2.0L Turbo engine. In recent testing this Mach Force XP cat-back exhaust system produced 7 horsepower and 14 lbs. x ft. of torque. This exhaust system is...

aFe is proud to introduce the Dual Cat-Back Exhaust System for the 2012-2013 Volkswagen Beetle with the L4-2.0L Turbo engine. In recent testing this Mach Force XP cat-back exhaust system produced 7 horsepower and 14 lbs. x ft. of torque. This exhaust system is...