Borla

Borla XR-1 Racing Sportsman 2.5IN Outlet / 2.5IN Inlet / 5IN x 15IN Round Muffler - 401392

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SKU:
BOR401392
UPC:
808422013925
MPN:
401392
Availability:
Regularly stocked product
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MSRP: $165.99
$148.99
— You save $17.00
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Description

What is the inlet and outlet size of the BOR XR-1 Mufflers?
The BOR XR-1 Muffler features a precisely engineered 2.5 inch center inlet and a 2.5 inch center outlet for optimal exhaust gas velocity.

Can I use the BOR XR-1 Mufflers on my street car?
Install the BOR XR-1 Mufflers for a deep, aggressive exhaust note and significant power gains, best suited for track or competition use.

Borla XR-1 Mufflers deliver maximum exhaust flow, achieving a 9 out of 10 score for track/autocross usage and unrestricted engine breathing. Constructed from durable T-304 austenitic stainless steel with a 5 inch round by 15 inch long body, this muffler guarantees exceptional performance and corrosion resistance. Trust Borla for your next high-performance exhaust system upgrade.

Key Features

  • 2.5 inch Center Inlet/ 2.5 inch Center Outlet
  • 5 inch Round x 15 inch Long Body
  • 20 inch Overall Length
  • T-304 austenitic stainless steel
  • 100% welded construction
  • Free Flow design

Why Choose the BOR XR-1 Mufflers

Delivers maximum exhaust flow for unrestricted engine breathing and power.

Achieves a deep, aggressive exhaust note that commands attention on the track.

Provides exceptional durability and corrosion resistance for long-lasting performance.

Transforms your vehicle's exhaust system with a robust, race-ready build.

Who Is This For?

Track / Autocross — 9/10
Maximum exhaust flow for unrestricted engine breathing and power.

Racing Competition — 9/10
Designed for race only, achieves maximum exhaust flow.

Street Performance — 7/10
Free flow design and stainless steel offer performance gains.

Engine Performance — 9/10
Achieves maximum exhaust flow for unrestricted engine breathing.

Exhaust Note / Sound — 6/10
Free flow design typically results in a louder exhaust note.

Drag Racing — 8/10
Maximum exhaust flow supports power for acceleration.

Frequently Asked Questions

How do I confirm if the Borla XR-1 Muffler fits my vehicle?

Confirm fitment with your specific vehicle to ensure proper installation of the Borla XR-1 Muffler. Its design is focused on compatibility, providing a direct upgrade path. Trust Borla's engineering for a confident fitment.

What is the installation process for the Borla XR-1 Muffler?

The Borla XR-1 Muffler is designed for a weld-in installation. This advanced installation method allows for precise integration into your existing exhaust system. This ensures a robust and secure performance upgrade.

What performance gains can I expect from the Borla XR-1 Muffler on the track?

Achieve maximum exhaust flow for unrestricted engine breathing and power, scoring a 9 for Track/Autocross performance. Its free-flowing design is optimized for competition use. Experience a significant boost in engine performance for demanding motorsport applications.

Is upgrading to a Borla XR-1 Muffler from a stock muffler worthwhile for performance?

Upgrading delivers maximum exhaust flow for unrestricted engine breathing and power, enhancing overall engine performance. The T-304 stainless steel construction and 100% welded build offer superior durability over OEM. Embrace a significant performance transformation.

What is the typical exhaust note produced by the Borla XR-1 Muffler?

The Borla XR-1 Muffler achieves a deep, aggressive exhaust note that commands attention. Its free-flow design contributes to a louder sound profile, scoring a 6 for Exhaust Note/Sound. This muffler delivers an unmistakable auditory presence.

Additional Resources

Official Borla Product Page

Important Notices

⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

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Additional Information

Clearance Item:
N
MPN:
401392
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Exhaust, Mufflers & Tips>Muffler
Universal Fitment:
Y
Install Type:
Weld-In
Product Level:
Race Only
Track / Autocross:
9/10
Racing Competition:
9/10
Street Performance:
7/10
Engine Performance:
9/10
Exhaust Note / Sound:
6/10
Drag Racing:
8/10
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