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| SKU | BOR401382 |
| MPN | 401382 |
| GTIN | 808422013826 |
| Certifications | None |
| Wheel Size (inches) | 4 |
| Offset (mm) | 21 |
| Bolt Pattern / PCD | 2.5 |
| Spoke Style | Round |
| Backspacing (inches) | 16 |
Experience top-tier exhaust performance with the Borla XR-1 Low Profile Multicore Muffler. Designed for enthusiasts seeking to enhance their vehicle's sound and power, this muffler features a 2.5-inch outlet and inlet, ensuring optimal flow and performance. Its compact design measures 4 inches by 16 inches with an overall length of 21 inches, making it suitable for a variety of vehicle setups.
The XR-1 muffler is engineered to reduce exhaust drone while delivering a deep, aggressive tone that V8 lovers crave. Crafted to fit seamlessly into custom and performance exhaust systems, it provides both longevity and a distinct auditory presence. Whether you’re upgrading your hot rod, muscle car, or street machine, this Borla muffler stands out for its quality and performance reliability.
The XR-1 muffler is engineered to reduce exhaust drone while delivering a deep, aggressive tone that V8 lovers crave. Crafted to fit seamlessly into custom and performance exhaust systems, it provides both longevity and a distinct auditory presence. Whether you’re upgrading your hot rod, muscle car, or street machine, this Borla muffler stands out for its quality and performance reliability.
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We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















