XR-1® Multi-core Racing Mufflers
Oval
- Application: All full-bodied cars

Round
- Application: All race venues requiring the highest flow muffler, space allowing.
Oval-XR-1® Multi-core Racing Mufflers
  - BRLA-40575
Inlet: 3"
Outlet: 3"
Case Size: 16" x 4 1/4" x 7 7/8"
We offer the lowest prices on this product!
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Round-XR-1® Multi-core Racing Mufflers
  - BRLA-40741
Inlet: 4"
Outlet: 4"
Case Size: 16"
Diameter: 6 1/4"
We offer the lowest prices on this product!
  Click to see lowest price in cart     

Borla is the only exhaust manufacturer in the business that gurantees it products for a Million miles. Go to www.Borla.com to find out more information on Borla products, or give one of our Customer Service Representitives a call.
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