Pypes Exhaust (EVT406-18) 4" In x 6" Out x 18" Long Polished Stainless Steel Bolt-On Exhaust Tip New from Pypes Performance Exhaust 4" inner & 6" outer diameter; 18" long Show polished and made from stainless steel Fits any truck with a 4" exhaust pipe Easy installation with bolt-tightening clamp built onto tip