Reversible design for installation flexibility
Patented Multicore design for maximum power. Recommend for high horsepower applications
T-304 Stainless steel will never rust. 100% welded construction for strength. Free Flow design for improved performance.
Whether you're drag racing or Circle Track racing, Borla has an XR-1 racing muffler for you. In fact, the 16 in. Shootout mufflers are rated the highest-flowing mufflers on the market.
* Straight-through design for maximum flow
* Aircraft-quality T-304 stainless steel construction for reduced weight that will never rust
* All-welded, one-piece design for increased structural integrity
* Stainless steel, sound-absorbing material to protect against burnout
The most possible exhaust flow in a muffler for maximum performance
Quiets the most severe engine noise, leaving a pronounced sound of power
Patented straight-through, multi-core muffler design reduces backpressure while absorbing sound waves
Made from the finest austenitic stainless steel for long-lasting durability
All welded construction
Proudly made in the USA