aFe MACH Force-Xp 409 SS Clamp-On Exhaust Tip 2.5in. Inlet / 4in. Outlet / 7in. L - CarbonUpgrade your exhaust with an aFe POWER 4" universal, carbon fiber clamp on tip. Designed to accommodate 2 1 2" exhaust systems, this dual wall, carbon fiber, stainless steel tip bolts on easily with a quality barrel clamp. No cutting or welding required. Dual wall construction features carbon fiber and 304 stainless steel Quality stainless steel barrel clamp for a secure, easy install Features slotted air vents to reduce heat 2 1 2" inlet x 4" outlet