Borla - 400371

XR-1® Stainless Multicore Racing Mufflers

XR-1 Multi-Core Racing Muffler For Rotary Engine Equipped Vehicles - 3" Center Inlet/ 3" Center Outlet 4.25" x 7.88" Oval x 16" Long Body 21" Overall Length. Universal Part. Reversible Design.

Designed for rotary engine equipped vehicles, but can be used on other applications. Compact size is perfect for applications with limited space. 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. High-temperature continuous-filament fiber (CRF) acoustic material for sounds control. There is no logo embossment on this part. Best of all, it's made in the USA. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

• Race Muffler
• Patented Multi-Core Technology