XR-1 Multi-Core

XR-1(r) Multi-Core Bullet Racing Muffler. 2.5" Center Inlet/ 2.5" Center Outlet (no neck) 3.5" Round x 14" Long Body 16.75" Overall Length. Designed for use on compact applications where no tail pipe or turn down is needed, or weld on your own tail pipe or turn down. Can be used on vehicles with rotary engines. It features BORLA(r)'S patented Multi-Core 3 tube design for maximum flow, horsepower, and torque. The Multi-Core portion of XR-1(r) mufflers flows better than straight tubing. Recommend for high horsepower applications. T-304 Stainless steel for superior corrosion resistance. 100% welded construction for strength. high temperature T-304 stainless steel wool for sound control. There is no BORLA(r) 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.

Additional Information

XR-1 Multi-Core Bullet Racing Muffler - 2.5" Center Inlet/ 2.5" Center Outlet (no neck) 3.5" Round x 14" Long Body 16.75" Overall Length. Universal Part.

Part Type

Exhaust Muffler

Product Overview

Designed for use on Midgets, Mini Sprints, Dwarf Cars, and other compact applications where no tail pipe or turn down is needed. Patented free flow multicore design for maximum power. Recommend for high horsepower applications. T-304 Stainless steel will never rust. 100% welded construction for strength. Hight temperature T-304 stainless steel wool for sound 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.

• 2.5" Center Inlet/ 2.5" Center Outlet (no neck) 3.5" Round x 14" Long Body 16.75" Overall Length
• Bullet style muffler with neck on inlet end only
• Multi-Core 3 tube internal design. High temperature T-304 stainless steel wool for sound control.
• Universal muffler. No BORLA(r) logo embossement.
• Use on compact applications where no tail pipe or turn down is needed, or weld on your own

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Product Details

Reference Information

Muffler, XR-1, 2 1/2 in. Inlet/2 1/2 in. Outlet, Brushed Stainless Steel, Each

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.

Features include:
• 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