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Est. 1957
Borla XR-1 Multi-Core 3in Center/Center 16in x 4.25in x 7.88in Oval Racing Muffler
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Borla
Borla

Borla XR-1 Multi-Core 3in Center/Center 16in x 4.25in x 7.88in Oval Racing Muffler

$309.99

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Borla XR-1 Multi-Core racing muffler. 3in center inlet/outlet, 16in body. T-304 stainless steel construction. Part# 40575. Fast shipping.

Key Features

  • Fits universal applications, designed for full-bodied cars but usable elsewhere.
  • Features Borla's patented uninterrupted-flow design and multicore technology.
  • Flows better than a straight pipe in repeated testing, ideal for high horsepower.
  • Constructed from T-304 austenitic stainless steel for track-tough durability and rust resistance.
  • 100% welded construction ensures strength.
  • Uses sound-absorbing stainless steel packing for noise control and burnout protection.
This is a universal muffler designed for a variety of applications, particularly full-bodied cars. Check dimensions and inlet/outlet size to confirm compatibility with your specific vehicle.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Product Details

Borla is known for making some of the most winning exhaust systems out there, and their XR-1 Raceline products are a top choice for serious racers. This XR-1 Multi-Core racing muffler is built for performance, featuring a patented uninterrupted-flow design and multicore technology that actually flows better than a straight pipe in testing. It's designed for full-bodied cars but is versatile enough for other applications, especially when space is tight thanks to its compact size and reversible design.

Constructed from high-quality T-304 austenitic stainless steel, this muffler is built tough for track use and won't rust. The 100% welded construction adds strength, and it uses sound-absorbing stainless steel packing to manage noise and protect against burnout, meeting strict noise requirements. If you're looking for a muffler that offers a great balance of sound and power for high horsepower applications, this is a solid option.

Specifications

Brand
Borla
Manufacturer Part #
40575
UPC
808422405751

Frequently Asked Questions

Borla XR-1 Multi-Core 3in Center/Center 16in x 4.25in x 7.88in Oval Racing Muffler

$309.99