aFe Apollo GT Series 4in 409SS Cat-Back 20-21 GM 2500/3500HD V8-6.6L L8T - Black Tip Suspension>Air Tank Components these filters are offered in

these filters are offered in

NPT gauge port

but it also insulates the tube from engine heat and protects from corrosion

LED indicators confirm correct ignition signal hookup

All of our kits also come with Air Lift's 60-day money-back guarantee

aFe Apollo GT Series 4in 409SS Cat-Back 20-21 GM 2500/3500HD V8-6.6L L8T - Black Tip Suspension>Air Tank Components these filters are offered inThis cat back exhaust system is constructed of 4" mandrel bent 409 stainless steel tubing for maximum strength and durability. This system features a high flow 409 stainless steel muffler, producing a deep sound. Finishing off this exhaust system is a 5" diameter black 409 stainless steel intercooled clamp on exhaust tip. The tip features an aFe POWER logo plate riveted on for a unique style. This system produces a deep sound unleashing all available