From the masters of S4 performance, AWE proudly presents the B9 S4 exhaust solution. Signature AWE tone, performance, and options for every taste and budget.

• Max gains of 16 hp and 17 ft-lbs of torque at the crank (exhaust)
• Max gains of 23 hp and 27 ft-lbs of torque at the crank (catalyst)
• Available as sophisticated Touring Edition, unleashed Track Edition, and valved SwitchPathâ"ž¢
• Touring Edition Exhausts feature AWE Tuning‚¬s proprietary drone-cancelling solution, 180 TechnologyÀš
• SwitchPathâ"ž¢ Exhaust can be controlled with optional handheld remote, or factory valve programming
• Downpipes and precision-engineered x-pipe included in all editions
• Specifically engineered resonated downpipes for use with the catalyst available separately
• Performance Catalyst features a precision CNC-machined billet T304 stainless steel flange, and 145mm 200CPSI EURO6 HJS HD catalyst with tri-lobe core
• Compatible with standard and sport differentials
• 90mm or 102mm double-walled tips available in chrome silver or diamond black, and coming soon: AWE carbon fiber tips
• Proudly engineered, designed, and manufactured in-house at AWE, in the USA
• Less is more: clean, straight-through design maximizes performance
• Handcrafted from dual 2.5‚¬ CNC mandrel-bent U.S.-sourced .065‚¬ wall T304L stainless steel
• Direct bolt-on system, factory-like install simplicity
• Perfect fitment - guaranteed
• No Check Engine Light - guaranteed
• Featuring the AWE Lifetime Exhaust Warranty (one year on catalyst core)