XR-1® Collector Mufflers
This is the HOT set up in drag racing. This patented, award and race-winning product was designed to replace your current open header collector and serves as a power producing merge collector and muffler -- all in a single unit.

Made with the same patented, award and race winning flow through design as the Standard XR-1® Collector/Muffler. This muffler, however, is designed for door car applications where a Standard size Collector/Muffler is too large.

Application: Dragsters, Full chassied cars accepted in NHRA, IHRA, Hot Rod Series, Brackets, Super Chevy, NSCA. Not recommended for Dragster application.

XR-1® Stainless Collector Muffler
Shorty-3 1/2" Outlet Diameter
  - BRLA-40997
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XR-1® Stainless Collector Muffler
Shorty-4 1/2" Outlet Diameter
  - BRLA-40977
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XR-1® Stainless Collector Muffler
Shorty-4" Outlet Diameter
  - BRLA-40976
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XR-1® Stainless Collector Muffler
Standard-4 1/2" Outlet Diameter
  - BRLA-40703
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XR-1® Stainless Collector Muffler
Standard-4" Outlet Diameter
  - BRLA-40728
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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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