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: The MACH Force Xp universal clamp on tip features a carbon fiber outer wall and 304 stainless steel inner wall for heat and corrosion resistance. Slotted Air Vents: This tip is