Diesel Exhaust Tip Turn Down 4.00 Inch Inlet 4.00 Inch Dia 18.00 In Long Turn Down Bolt On Stainless Steel Polished WTD40018-400-BOSS Wesdon Exhaust Tip 4.00 Inch Inlet 4.00 Inch Dia 18.00 In Long Turn Down Bolt On Exhaust Tip Bolt On Style fits a Exhaust Pipe 4.00 Inlet 4.00 inch Diameter 18.00 Inches Long Polished to Mirror Finish Stainless Steel Turn Down Style Tip