The E-body mufflers that Accurate LTD has designed are the best flowing factory style units on the market today. Mellow correct tone and absolutely no interior resonation that other so called performance mufflers are known for. These have the factory 2.25"' I.D. inlet and 2"' I.D. outlet for factory exhaust tips. Click on the thumbnails to the right for factory locations and for the other parts that are available for a correct trouble free installation. Listed price is for each side. Now available in the "HP version" with a deeper more aggressive exhaust tone.