SKU: 40942 | UPC: 808422409421
Borla XR-1 Sportsman Racing Muffler 2.5in Center Inlet/ 2.5in Center Outlet 4.5in x 7.88in Oval x 16in Long Body - Universal
The Borla 40942 XR-1 Sportsman muffler delivers the brand's signature Sound of Power in a compact, reversible design perfect for custom racing exhaust systems with limited space. This universal oval muffler boosts power, torque, and throttle response while providing high-flow performance and precise sound control. Install it on drag cars, off-road builds, or street performance setups for an aggressive exhaust note and reliable durability.
Key Features
- Compact Dimensions: 4.5in width x 7.88in height x 16in body length (21in overall) fits tight spaces without sacrificing flow or volume.
- Reversible Design: Allows flexible inlet/outlet orientation for easy adaptation to any custom exhaust layout.
- T-304 Stainless Steel: Corrosion-resistant material ensures lifelong performance in harsh racing conditions.
- 100% Welded Construction: Provides structural strength to handle high-heat and high-pressure exhaust demands.
- Free-Flow with CFF Acoustic Core: Enhances horsepower and torque while controlling drone for a pure racing tone.
Product Notes
- Universal part suits most custom applications; natural mill finish can be brushed or polished.
- High-temperature continuous-filament fiber packing maintains sound quality over time.
- Ships in protective cardboard box; handle with care to avoid dents.
Installation Notes
- Professional installation recommended.
- 2.5in pipe inlet/outlet connects directly to mandrel-bent exhaust tubing.
- Reversible ends and included hangers ensure straightforward mounting.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Custom/Racing | Performance Builds |
Why Choose Borla?
- Leaders in stainless steel exhaust since developing systems for classics like Rolls-Royce and Ferrari.
- Engineered for power gains, fuel efficiency, and extended engine life across street, off-road, and racing.
- Every component delivers the thrill of throttle response and a motorsport soundtrack.
Frequently Asked Questions
-
Q: Does this muffler fit specific vehicles?
A: Yes, as a universal racing muffler, it works with any custom exhaust setup using 2.5in piping, ideal for dragsters, off-road trucks, or muscle cars. -
Q: What material is used?
A: High-grade T-304 austenitic stainless steel with full welds and rust-proof finish for extreme durability. -
Q: What warranty applies?
A: Borla offers a limited lifetime warranty against defects for racing applications; register online for coverage.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective box dimensions 22in x 9in x 9in
- Weight: 8 lbs

Borla
Discover the Borla Exhaust collection, where world-class exhaust products meet the high standards of automotive enthusiasts. Borla is dedicated to exceeding your expectations by utilizing a state-of-the-art test and development center. This facility allows us to continually refine our manufacturing precision and maintain the highest quality standards. Our commitment to innovation is evident through numerous US patents for advanced exhaust design and multiple "Best New Product" awards in the industry. Unmatched Customization What sets Borla apart from other exhaust systems is our vehicle-specific design approach. Each exhaust system is meticulously crafted to accommodate the unique mechanical and acoustical properties of different cars and trucks. We invest countless hours in optimizing various components, such as: Muffler body shapes Internal core configurations Flow dynamics Sound characteristics Exclusive Sound Technologies Borla offers a choice of three exclusive sound techno... View Our Borla Products...
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