XR-1 Raceline - Slim Line Part # 40536

Muffler Tubing Size: 3.5" Oval Tube

XR-1® Multi-Core Slim Line Racing Muffler - 3.5" (4.13" x 2.61" Oval) Pipe Center Inlet/ 3.5" (4.13" x 2.61" Oval) Pipe Center Outlet 3" x 7.88 Oval x 12" Long Body 17" Overall Length. Universal Part. Reversible Design.

Price : $469.99
Summit Racing Equipment
Or buy from Borla (USA credit cards only):
International customers contact us for shipping quote.

Slim Line Racing Muffler. Designed for low profile vehicles with limited space. It features a 3" x 7.88" oval body. Necks are 3.5" tubing formed into 4.13" x 2.61" oval. 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 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.


This product in the physical form it is sold does not present a hazard. However, operations including, but not limited to welding, brazing, or thermal cutting can expose you to chemicals including Chromium, Nickel, Cobalt, Arsenic, Cadmium and Lead which are known to the State Of California to cause cancer, birth defects and other reproductive harm. For more information go to

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Available for this vehicle

Technical Specs
Muffler Config Muffler Shape Muffler Tubing Size Case Dimensions
Center/Center Oval 3.5" Oval Tube 12" X 3" X 7.88"
Shipping Info
Boxed Weight Box Size
9 18 x 5 x 9