AFE: MACH Force-Xp 3" to 2-1/2" 304 Stainless Steel Axle-Back Exhaust System Audi A4 (B9) 17-19 L4-2.0L (t) camaro zl1 Boost Referenced Return System for

Boost Referenced Return System for 800+ rwhp

The smooth transition bends allow for low turbulence

Will work with automatic or manual transmission

unless used in off-road application

AFE: MACH Force-Xp 3" to 2-1/2" 304 Stainless Steel Axle-Back Exhaust System Audi A4 (B9) 17-19 L4-2.0L (t) camaro zl1 Boost Referenced Return System forPerformance Gains: This system produced gains of up to +8 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 for maximum strength and durability. Resonator: This system features a 4" x 16" 304 stainless steel resonator, producing a mild sound. Dual 4" Diameter Polished Exhaust Tips: Finishing off this