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Borla 40977 - Borla XR-1 Racing Mufflers



Borla 40977 - Borla XR-1 Racing Mufflers
Borla 40977 - Borla XR-1 Racing Mufflers

JEGS Part Number: 157-40977

XR-1 Collector Muffler
  • Type: Shorty
  • Inlet Diameter: 2-3/8''
  • Outlet Diameter: 4-1/2''
  • Case Size: 14'' x 6-3/4''

    Borla 40977 Details

    Collector Mufflers

  • Patented Multi-Core Technology
  • Designed To Replace Open Header Collector
  • Merge Collector And Muffler In A Single Unit

  • Borla XR-1 Racing Mufflers

    XR-1 Racing Mufflers are the choice of today's hottest drag and oval track racers. With a patented straight-through design and multicore technology, XR-1 Mufflers actually outflowed a straight pipe in repeated testing. XR-1 Race Products are made of quality austenitic stainless steel for track-tough durability. They use sound-absorbing stainless steel packing to prevent burnout and meet the strictest noise requirements. Hands down, Borla's XR-1 Series offers the best balance of sound and power. Made in the USA!

    Features
  • Multicore technology
  • Straight-through design for maximum flow
  • Austenitic stainless steel for reduced weight
  • Welded 1-piece construction for improved integrity
  • Sound-absorbing stainless steel guards against burnout

  • Items similar to Borla 40977

    Borla 40977

    Body Length (in.)
    14
    Overall Length (in.)
    19
    Outlet Size (in.)
    4.5
    Body Width (in.)
    6.75
    Shape
    Round
    Inlet Type
    Single Center Inlet
    Outlet Type
    Single Center Outlet
    Material
    Stainless Steel
    Position
    N/A
    Outlet Position
    Center
    Inlet Position
    Center
    Inlet Size (in.)
    2.38
    Body Height (in.)
    6.75
    Collector Muffler Finish
    Polished
    Collector Muffler Length (in.)
    14
    Collector Muffler Material
    Stainless steel
    Crankcase Evacuation Tube Welded In
    No
    Inlet Quantity
    Four
    Quantity
    Sold individually
    Tuneable
    No
    Outlet Quantity
    One
    Manufacturer's Part Number:
    40977
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