BORLA 40722 XR-1® Multi-Core 3.5" Center-Center 16"x6.25" Round - Racing Muffler ymm_10 optimizing power and torque throughout

optimizing power and torque throughout the rev range

It can be used on SS models equipped with a ZL1 bumper

Made from austenitic T-304 stainless steel

Compatible Engines: BMW 3

The diffuser is available in a matte or high-gloss finish to complement the tailpipes of the Slip-On Race Line (Titanium) exhaust

BORLA 40722 XR-1® Multi-Core 3.5" Center-Center 16"x6.25" Round - Racing Muffler ymm_10 optimizing power and torque throughoutDescription BORLA 40722 XR 1 Multi Core 3. 5" Center Center 16"x6. 25" Round Racing Muffler The XR 1 Multi Core Racing Muffler features a 3. 5" center inlet and 3. 5" center outlet, with a 6. 25" round x 16" long body and a total overall length of 21". The long body design is suitable for SUV and truck applications, but it can also be used on a wide range of vehicles, including those equipped with rotary engines. This muffler incorporates a patented