Borla
Borla 3in ID In/Out x 34in x 8.5 in x 5.5in Oval XR-1 Multi-core Racing Muffler - 400115
- SKU:
- BOR400115
- UPC:
- 808422001151
- MPN:
- 400115
- Availability:
- Regularly stocked product
Description
Will this muffler fit my specific vehicle model?
Confirm fitment with your vehicle before installation; this Borla XR-1 muffler offers precise fitment for many applications.
What is the recommended installation process for this muffler?
Professional installation is recommended to ensure optimal performance and secure mounting of this high-flow Borla muffler.
Borla XR-1 Mufflers deliver race-inspired performance, excelling in Track/Autocross applications with a score of 9. Featuring a patented Multi-Core 4 tube design and a 3 inch center inlet and outlet, these mufflers maximize exhaust flow. Experience unparalleled engine performance and an aggressive exhaust note with this premium racing muffler.
What Owners Say
Owners and enthusiasts consistently praise the Borla XR-1 for delivering a deep, smooth exhaust note that avoids the harshness of straight muffler deletes. Multiple users confirm it significantly reduces rasp and drone while maintaining an aggressive sound under acceleration, making it a popular choice for those wanting performance without cabin intrusion. The model 40085 earns particular attention for its balanced tone, though some note that oval variants can introduce slightly more rasp than round configurations. Truck and sports car owners alike report that the XR-1 provides excellent sound quality that videos often fail to capture. The Borla XR-1 has earned strong credibility as a refined performance muffler solution.
Key Features
- XR-1 Multi-Core Racing Muffler
- 3 Center Inlet/ 3 Center Outlet
- 5.5 x 8.5 Oval x 34 Long Body
- 39.25 Overall Length
- patented Multi-Core 4 tube design
- Reversible design
Why Choose the BOR XR-1 Mufflers
Delivers an aggressive, race-inspired exhaust note that commands attention.
Achieves unrestricted exhaust flow for maximum horsepower and torque gains.
Provides a deep, resonant tone that enhances your driving passion.
Transforms your vehicle's sound profile with a signature performance growl.
Who Is This For?
Track / Autocross — 9/10
Maximizes exhaust flow for peak performance.
Drag Racing — 9/10
Maximizes exhaust flow for peak performance.
Racing Competition — 9/10
Maximizes exhaust flow for peak performance.
Street Performance — 8/10
Premium performance muffler designed for enhanced flow.
Engine Performance — 9/10
Multi-core design maximizes exhaust flow for peak performance.
Exhaust Note / Sound — 7/10
Racing muffler design implies aggressive sound profile.
Frequently Asked Questions
What are the key performance benefits of the Borla XR-1 Mufflers for my vehicle?
Borla XR-1 Mufflers deliver unrestricted exhaust flow for maximum horsepower and torque gains, providing an aggressive, race-inspired sound profile. With a high 'Engine Performance' usage score of 9, this muffler's patented Multi-Core 4 tube design is engineered for peak performance enhancements.
Is professional installation required for the Borla XR-1 Mufflers?
Professional installation is recommended for the Borla XR-1 Mufflers to ensure correct fitment and optimal performance. Consulting with a qualified technician is advised to confirm proper integration with your vehicle's exhaust system.
What kind of driving is best suited for the Borla XR-1 Mufflers?
Borla XR-1 Mufflers are best for performance enthusiasts seeking maximum exhaust flow for track or racing applications, boasting a 'Track / Autocross' usage score of 9. Their design excels in high-demand scenarios where unrestricted flow is paramount.
How do I confirm if the Borla XR-1 Mufflers will fit my specific vehicle?
Confirming fitment with your vehicle is essential before purchasing Borla XR-1 Mufflers to ensure a direct match for your application. Always verify compatibility with a qualified technician to guarantee proper installation and performance.
Additional Resources
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.
Browse More: Shop All Muffler — Exhaust, Mufflers & Tips
Additional Information
Clearance Item: |
N |
MPN: |
400115 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Exhaust, Mufflers & Tips>Muffler |
Universal Fitment: |
Y |
Product Level: |
Premium Performance |
Track / Autocross: |
9/10 |
Drag Racing: |
9/10 |
Racing Competition: |
9/10 |
Street Performance: |
8/10 |
Engine Performance: |
9/10 |
Exhaust Note / Sound: |
7/10 |
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