aFe Apollo GT Series 3-1/2in 409 SS Axle-Back Exhaust 17-20 Ford F-250/F-350 Polished Tip No Muffler - 49-43116NM-P fits_2008-2015`Audi`R8 and the tamper-proof design requires

and the tamper-proof design requires a special tool that is included in the kit

76mm Bore Diameter

and routed through a quad-chamber center muffler when closed for quiet

For questions or configuration help: customerservice@valvetronic

OEM-style H-pipe balances tone and flow

aFe Apollo GT Series 3-1/2in 409 SS Axle-Back Exhaust 17-20 Ford F-250/F-350 Polished Tip No Muffler - 49-43116NM-P fits_2008-2015`Audi`R8 and the tamper-proof design requiresThis axle back exhaust system is constructed of 3 1 2" 4" mandrel bent 409 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system is a 6" diameter polished stainless steel clamp on exhaust tip. The tip features an aFe POWER logo plate riveted on for a unique style. This system produces a throaty sound unleashing all available horsepower and torque. Utilizing a factory style flange and hangers this system is a