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XR-1 Raceline

 
 
  • T-304 stainless steel will never rust — our thickest material.
  • 100% welded construction is track-tough.
  • Free-flow design for improved performance.
  • XR-1's race-proven design attenuates sound without restricting flow.
  • Patented Multicore Collector, and Bullet Racing mufflers feature steel wool packing for sound control.
  • Sportsman mufflers feature high temperature continuous filament fiber (CFF) acoustic material for sound control.
  • Natural mill finish can be brushed or polished prior to installation.
  • Reversible design for installation flexibility.
  • Recommended for high-horsepower racing applications.

XR-1 Raceline

 

Find mufflers that fit your vehicle:

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Search all (ProXS, CrateMuffler, Specialty & XR-1 Raceline)

XR-1 Raceline(6)
XR-1 Raceline

Part# 40947 What vehicle does this fit?

40947-main-1-thumb.jpg
Has Valves FALSE

  • Universal muffler. Reversible design.
  • 4" Center Inlet/ 4" Center Outlet 4.25" x 7.88" Oval x 12" Long Body 17" Overall Length
  • Compact size is perfect for applications with limited space
  • Un-Notched necks are designed for weld in installation

Price: $193.99
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XR-1 Raceline

Part# 40945 What vehicle does this fit?

40945-main-1-thumb.jpg
Has Valves FALSE

  • Universal muffler. Reversible design.
  • 3.5" Center Inlet/ 3.5" Center Outlet 4.25" x 7.88" Oval x 12" Long Body 17" Overall Length
  • Compact size is perfect for applications with limited space
  • Un-Notched necks are designed for weld in installation

Price: $178.99
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XR-1 Raceline

Part# 40943 What vehicle does this fit?

40943-main-1-thumb.jpg
Has Valves FALSE

  • Universal muffler. Reversible design.
  • 3" Center Inlet/ 3" Center Outlet 4.25" x 7.88" Oval x 12" Long Body 17" Overall Length
  • Compact size is perfect for applications with limited space
  • Un-Notched necks are designed for weld in installation.

Price: $153.99
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XR-1 Raceline

Part# 40941 What vehicle does this fit?

40941-main-1-thumb.jpg
Has Valves FALSE

  • Universal muffler. Reversible design.
  • 2.5" Center Inlet/ 2.5" Center Outlet 4.25" x 7.88" Oval x 12" Long Body 17" Overall Length
  • Compact size is perfect for applications with limited space
  • Un-Notched necks are designed for weld in installation

Price: $149.99
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XR-1 Raceline

Part# 40536 What vehicle does this fit?

40536-main-1-thumb.jpg
Pipe Diameter:3.5" Tube Formed Into 4.13" x 2.61" Oval
Has Valves FALSE

  • Universal muffler. Reversible design. No BORLA® logo embossment.
  • Slim Line mufflers are perfect for low profile applications with limited space
  • Can be used on a wide range of vehicles including rotary engine equipped vehicles
  • 4.13" x 2.61" Oval Center Inlet / Outlet Necks. 12" Long x 3" High x 7.88" Wide Oval Body 17" OAL
  • Multi-Core 2 tube internal design. High temperature T-304 stainless steel wool for sound control.

Price: $553.99
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XR-1 Raceline

Part# 400372 What vehicle does this fit?

400372-main-1-thumb.jpg
Has Valves FALSE

  • Universal muffler. Reversible design. No BORLA® logo embossement.
  • Compact design is perfect for applications with limited space
  • Can be used on a wide range of vehicles
  • 3" Center Inlet/ 3" Center Outlet 4.25" x 7.88" Oval x 12" Long Body 17" Overall Length
  • Multi-Core 4 tube internal design

Price: $267.99
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Inlet Diameter
  1. 2.5"
  2. 3"
  3. 4"
  4. 3.5"
  5. 3.5" Oval Tube
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  2. 4.25
System type
XR-1 Raceline
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