RENNtech Stainless Steel Sport Mufflers for Bentley Continental SS / GT / GTC Speed porsche-panamera--970-2---2013-2016---facelift--panamera-s---4s-esr4544039 Akrapovic Stainless Steel Downpipes for

Akrapovic Stainless Steel Downpipes for BMW 1-Series M Coupe (E82)

SL (R230) 65 AMG [2 Filters Required] (HP: 612 | Year: 04 >)

Includes ECU Upgrade and Carbon Fiber Air Box

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RENNtech Stainless Steel Sport Mufflers for Bentley Continental SS / GT / GTC Speed porsche-panamera--970-2---2013-2016---facelift--panamera-s---4s-esr4544039 Akrapovic Stainless Steel Downpipes forRENNtech Stainless Steel Sport Mufflers for Bentley Continental SS GT GTC Speed RENNtech stainless steel (SS) sport mufflers are hand made and rigorously tested to remove any unwanted resonances in the cabin to deliver a deep sound that keeps with the character of a luxury performance vehicle. Our mufflers offer lighter weight than the stock exhaust and improve performance by reducing exhaust back pressure and improving exhaust gas flow. Gains: +10 HP