aFe 2017-19 Audi A4 (B9) MACH Force-Xp 3in to 2.5in 304 SS Cat-Back Exhaust System-Dual SS Tips

Performance Gains:
This system produced gains of up to +13 HP and +22 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 for maximum strength and durability.

High-Flow 304 Stainless Steel Polished Muffler:
This system features a high-flow 304 stainless steel polished muffler, producing a throaty sound. The muffler has a polished finish for ultimate corrosion resistance.

Dual 4" Diameter Black Exhaust Tips:
Finishing off this exhaust system are dual 4" diameter black stainless steel exhaust tips. The tips features a laser etched aFe POWER logo for a unique style.

Installation:
Utilizing a factory style flange and hangers this system is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation.

Interlock Flex Pipe:
This cat-back exhaust system uses a heavy duty flex pipe with an internal interlock liner for added strength and durability.

Computer-Aided Design:
Utilizing state-of-the-art computer-aided design technology, this exhaust system is designed for custom, high tolerance factory fitment.

MIG-Welded:
100% MIG-Welded for race-proven strength and durability.

Emissions Disclaimer:
This product does not require a CARB EO#.

aFe POWER exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.