BORLA 400373 XR-1® Multi-Core 3" Center-Center 16"x6.25" Round - Rotary Engine Equipped Racing Muffler ymm_34 making it suitable for professional

making it suitable for professional racing systems where thermal expansion and component longevity are critical

BORLA Cat-Back and Axle-Back exhaust systems utilize patented straight-through and multi-core technology to unlock hidden horsepower

‘D’ Inside flange Diameter (mm): 125

3" diameter x 15" long extension pipe

Alternate muffler with un-notched necks is available as part number 40474

BORLA 400373 XR-1® Multi-Core 3" Center-Center 16"x6.25" Round - Rotary Engine Equipped Racing Muffler ymm_34 making it suitable for professionalDescription BORLA 400373 XR 1 Multi Core 3" Center Center 16"x6. 25" Round Rotary Engine Equipped Racing Muffler The XR 1 Multi Core Racing Muffler features a 3" center inlet and 3" center outlet, with a 6. 25" round x 16" long body and an overall length of 21". The long body design is suitable for SUV and truck applications but can also be used on a wide range of vehicles. It utilizes a patented Multi Core 4 tube design to maximize flow, horsepower,