BORLA 401012 XR-1® Stainless Multicore Racing Mufflers 3.5" 3.5" 14" 6.25" ymm_10 5" diameter axle-back system with

5" diameter axle-back system with aggressive ATAK sound

Specifications Socket Size(s) 10mm hex Material: Stainless Steel

Adding resonator 400938 can achieve a Touring sound profile

Outside Length/Base Outside Diameter (mm): 198

This increased flow supports other aftermarket enhancements

BORLA 401012 XR-1® Stainless Multicore Racing Mufflers 3.5" 3.5" 14" 6.25" ymm_10 5" diameter axle-back system withDescription BORLA 401012 XR 1 Stainless Multicore Racing Mufflers 3. 5" 3. 5" 14" 6. 25" The XR 1 Multi Core Racing Muffler features a 3. 5" center inlet and 3. 5" center outlet, with a 6. 25" round x 14" long body and an overall length of 19. 75". Designed for applications where a 6. 25" round body is suitable, it is compatible with a wide range of vehicles. This muffler utilizes a patented Multi Core 4 tube design to maximize flow, horsepower, and