Borla XR-1 Race Mufflers


Borla
Borla XR-1 Race Mufflers

Product images may differ from actual product appearance.

XR-1 Sportsman Racing Mufflers

Straight-through tube design provides both awesome low-end torque, as well as top-end horsepower. These mufflers are 100% Stainless Steel unlike many competitors!

Oval Muffler Features:
Lightest, most compact, and highest flowing racing muffler in its class. The choice of winners from top Mustang drag racers to Baja Off-Road trophy trucks.

Round Muffler Features:
This Borla Muffler is 5 inches in diameter and 15 inches long. Designed for door car/ roadster applications that require a compact round muffler.

Offset Muffler Features:
The inlet/outlet are offset to the same side of the muffler, to accommodate transmission and frame rail interference on some applications. Ideal for stock chassis vehicles.



Borla XR-1 Hooter's Series Slim Line Mufflers

157-40536
Oval Vented
  • Inlet Diameter: 3-1/2'' oval
  • Outlet Diameter: 3-1/2'' oval
  • Case Size: 12'' x 3'' x 7-7/8''

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  • $230.99
    Ships
    02/21/12
    Borla XR-1 Multicore Racing Mufflers

    157-400261
    All Race Venues
  • Round Muffler
  • Inlet Diameter: 3-1/2''
  • Outlet Diameter: 3-1/2''
  • Case Size: 24'' x 6-1/4''
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  • $349.99
    Ships
    02/21/12

    157-40575
    Full-Bodied Cars
  • Oval Muffler
  • Inlet Diameter: 3''
  • Outlet Diameter: 3''
  • Case Size: 16'' x 4-1/4'' x 7-7/8''

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  • $278.99
    Ships
    02/21/12

    157-40741
    All Race Venues
  • Round Muffler
  • Inlet Diameter: 4''
  • Outlet Diameter: 4''
  • Case Size: 16'' x 6-1/4''

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  • $298.99
    Ships
    02/21/12
    Borla XR-1 Oval Sportsman Racing Mufflers

    157-40941
    In/Out: 2-1/2''
    Body Length: 12''
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    $141.99
    Ships

    157-40942
    In/Out: 2-1/2''
    Body Length: 16''
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    $153.99
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    157-40943
    In/Out: 3''
    Body Length: 12''
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    $149.99
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    157-40944
    In/Out: 3''
    Body Length: 16''
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    $153.99
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    157-40945
    In/Out: 3-1/2''
    Body Length: 12''
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    $175.99
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    157-40946
    In/Out: 3-1/2''
    Body Length: 16''
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    $188.99
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    157-40947
    In/Out: 4''
    Body Length: 12''
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    $188.99
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    157-40948
    In/Out: 4''
    Body Length: 16''
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    $211.99
    Ships
    Borla XR-1 Racing Bullet Mufflers

    157-40641
    Midgets, 3/4 Midgets, Mini Sprints and Dwarf Cars
  • Inlet Diameter: 2-1/2''
  • Outlet Diameter: 2-1/2''
  • Case Size: 14'' x 3-1/2''

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  • $178.99
    Ships
    02/21/12
    Borla XR-1 Round Sportsman Racing Mufflers

    157-40085
    In/Out: 3''
    Body Length: 15''
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    $136.99
    Ships
    in 24hrs

    157-40086
    In/Out: 3-1/2''
    Body Length: 15''
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    $124.99
    Ships
    02/19/12
    Borla XR-1 Turndowns/Turnouts

    157-20146
    Turndown
  • Inlet Diameter: 4''
  • Case Size: 7''

    More info on Borla 20146
  • $75.99
    Ships
    Borla XR-1 Race Adapters

    157-60062
    Adapter
  • Inlet Diameter: 3''
  • Outlet Diameter: 3-1/2''
  • Case Size: 6''

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  • $63.99
    Ships
    02/21/12

    157-60063
    Adapter
  • Inlet Diameter: 3-1/2''
  • Outlet Diameter: 4''
  • Case Size: 6''

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  • $66.99
    Ships
    02/21/12