afe Rebel XD Series Universal Exhaust Tip 4 IN Inlet x 5 IN Outlet x 10 IN LaFe POWER is proud to introduce an all new intercooled exhaust tip. This tip comes with a high temp. Black finish and is designed to fit 4" exhaust systems. With a 4" inlet x 5" outlet and 10" inch length, this single walled, straight cut tip comes with intercooling vents and a unique laser cut aFe POWER logo plate riveted on for an aggressive style. Intercooled Vents: This tip comes with intercooling vents designed to reduce exhaust gas temperatures