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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:

Search XR-1 Mufflers

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

XR-1 Raceline(10)
XR-1 Raceline

Part# 40948 What vehicle does this fit?

40948-main-1-thumb.jpg
Has Valves FALSE

  • Universal muffler. Reversible design.
  • 4" Center Inlet/ 4" Center Outlet 4.25" x 7.88" Oval x 16" Long Body 21" Overall LeReversible design
  • Compact size is perfect for applications with limited space
  • Un-Notched necks are designed for weld in installation

Price: $216.99
Select
XR-1 Raceline

Part# 40946 What vehicle does this fit?

40946-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 16" Long Body 21" Overall Length
  • Compact size is perfect for applications with limited space
  • Un-Notched necks are designed for weld in installation

Price: $193.99
Select
XR-1 Raceline

Part# 40944 What vehicle does this fit?

40944-main-1-thumb.jpg
Has Valves FALSE

  • Universal muffler. Reversible design.
  • 3" Center Inlet/ 3" Center Outlet 4.25" x 7.88" Oval x 16" Long Body 21" Overall Length
  • Compact size is perfect for applications with limited space
  • Un-Notched necks are designed for weld in installation

Price: $165.99
Select
XR-1 Raceline

Part# 40942 What vehicle does this fit?

40942-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 16" Long Body 21" Overall Length
  • Compact size is perfect for applications with limited space
  • Un-Notched necks are designed for weld in installation

Price: $164.99
Select
XR-1 Raceline

Part# 40741 What vehicle does this fit?

40741-main-1-thumb.jpg
Has Valves FALSE

  • Universal muffler. Reversible design.
  • Long body design works well on SUV & truck applications
  • Can be used on a wide range of vehicles including rotary engine equipped vehicles
  • 4" Center Inlet/ 4" Center Outlet 6.25" Round x 16" Long Body 21" Overall Length
  • Multi-Core 6 tube internal design. High tempertaure T-304 stainless steel wool for sound control.

Price: $409.99
Select
XR-1 Raceline

Part# 40722 What vehicle does this fit?

40722-main-1-thumb.jpg
Has Valves FALSE

  • Universal muffler. Reversible design.
  • Long body design works well on SUV & truck applications
  • Can be used on a wide range of vehicles including rotary engine equipped vehicles
  • 3.5" Center Inlet/ 3.5" Center Outlet 6.25" Round x 16" Long Body 21" Overall Length
  • Multi-Core 6 tube internal design. High temperature T-304 stainless steel wool for sound control

Price: $348.99
Select
XR-1 Raceline

Part# 40575 What vehicle does this fit?

40575-main-1-thumb.jpg
Has Valves FALSE

  • Universal muffler. Reversible design.
  • Compact design is perfect for applications with limited space
  • Can be used on a wide range of vehicles including rotary engine equipped vehicles.
  • 3" Center Inlet/ 3" Center Outlet 4.25" x 7.88" Oval 16" Body 21" Overall Length
  • Multi-Core 3 tube internal design. High temperature T-304 stainless steel wool for sound control

Price: $309.99
Select
XR-1 Raceline

Part# 400374 What vehicle does this fit?

400374-main-1-thumb.jpg
Has Valves FALSE

  • Universal muffler. Reversible design. No BORLA® logo embossement.
  • Long body design works well on SUV & truck applications
  • Can be used on a wide range of vehicles
  • 4" Center Inlet/ 4" Center Outlet 6.25" Round x 16" Long Body 21" Overall Length
  • Multi-Core 4 tube internal design

Price: $390.99
Select
XR-1 Raceline

Part# 400373 What vehicle does this fit?

400373-main-1-thumb.jpg
Has Valves FALSE

  • Universal muffler. Reversible design. No BORLA® logo embossement.
  • Long body design works well on SUV & truck applications
  • Can be used on a wide range of vehicles
  • 3" Center Inlet/ 3" Center Outlet 6.25" Round x 16" Long Body 21" Overall Length
  • Multicore 4 tube internal design

Price: $299.99
Select
XR-1 Raceline

Part# 400371 What vehicle does this fit?

400371-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 16" Long Body 21" Overall Length
  • Multi-Core 4 tube internal design

Price: $298.99
Select
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Inlet Diameter
  1. 2.5"
  2. 3"
  3. 4"
  4. 3.5"
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  2. 4.25
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XR-1 Raceline
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