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. !
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
Filter Results
PART TYPE
PART TYPE
AVAILABILITY
BRAND
BRAND
RATING
Inlet Size in
Inlet Diameter
Inlet Type
Body Width
Body Height
Inlet Position
Outlet Type
Inlet Connection Type
Material
Outlet Position
Outlet Quantity
Inlet Quantity
Muffler Count
Body Length
Outlet Location
Case Shape
PRICE
Collector Mufflers
$654.99
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
XR-1 Collector Muffler Type: Shorty Inlet Diameter: 2-1/8'' Outlet Diameter: 3-1/2'' Case Size: 14'' x 6-1/4''
View Details
$654.99
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
$667.99
Ships directly from the manufacturer on 03/03/21
FREE Shipping
Lowest Price Guarantee
XR-1 Collector Muffler Type: Shorty Inlet Diameter: 2-1/4'' Outlet Diameter: 4'' Case Size: 14'' x 6-3/4''
View Details
$667.99
Ships directly from the manufacturer on 03/03/21
FREE Shipping
Lowest Price Guarantee
$674.99
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
XR-1 Collector Muffler Type: Standard Inlet Diameter: 2-1/4'' Oval Outlet Diameter: 4'' Oval Case Size: 14'' x 6-3/4''
View Details
$674.99
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
$674.99
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
XR-1 Collector Muffler Type: Standard Inlet Diameter: 2-3/8'' Outlet Diameter: 4-1/2'' Case Size: 20-1/2'' x 6-3/4''
View Details
$674.99
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
Multi-Core Racing Mufflers
$484.99
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
XR-1 Multi-Core Racing Muffler Type: Oval Inlet Diameter: 3'' Outlet Diameter: 3'' Case Size: 34'' x 8-1/2'' x 5-1/2''
View Details
$484.99
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
$288.99
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
XR-1 Multi-Core Racing Muffler Type: Oval Inlet Diameter: 3'' Outlet Diameter: 3'' Case Size: 16'' x 4-1/4'' x 7.88''
View Details
$288.99
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
$262.99
Ships Today
FREE Shipping
Lowest Price Guarantee
XR-1 Multi-Core Racing Muffler Type: Oval Inlet Diameter: 3'' Outlet Diameter: 3'' Case Size: 12'' x 4-1/4'' x 7.88''
View Details
$262.99
Ships Today
FREE Shipping
Lowest Price Guarantee
$288.99
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
XR-1 Multi-Core Racing Muffler Type: Oval Inlet Diameter: 3'' Outlet Diameter: 3'' Case Size: 16'' x 4-1/4'' x 7-7/8''
View Details
$288.99
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
$252.99
Ships directly from the manufacturer on 03/04/21
FREE Shipping
Lowest Price Guarantee
XR-1 Multi-Core Racing Muffler Type: Round Inlet Diameter: 2-1/2'' Outlet Diameter: 2-1/2'' Case Size: 14'' x 6-1/4''
View Details
$252.99
Ships directly from the manufacturer on 03/04/21
FREE Shipping
Lowest Price Guarantee
$360.99
Ships directly from the manufacturer in 24hrs
FREE Shipping
Lowest Price Guarantee
XR-1 Multi-Core Racing Muffler Type: Round Inlet Diameter: 3-1/2'' Outlet Diameter: 3-1/2'' Case Size: 24'' x 6-1/4''
View Details
$360.99
Ships directly from the manufacturer in 24hrs
FREE Shipping
Lowest Price Guarantee
$288.99
Ships Today
FREE Shipping
Lowest Price Guarantee
XR-1 Multi-Core Racing MufflerType: Round Inlet Diameter: 3 in. Outlet Diameter: 3 in. Case Size: 16 in. x 6-1/4 in. 21 in. Overall Length
View Details
$288.99
Ships Today
FREE Shipping
Lowest Price Guarantee
$298.99
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
XR-1 Multi-Core Racing MufflerType: Round Inlet Diameter: 4'' Outlet Diameter: 4'' Case Size: 16'' x 6-1/4''
View Details
$298.99
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
$288.99
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
XR-1 Multi-Core Racing Muffler Type: Round Inlet Diameter: 3-1/2'' Outlet Diameter: 3-1/2'' Case Size: 16'' x 6-1/4''
View Details
$288.99
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
$306.99
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
XR-1 Multi-Core Racing Muffler Type: Round Inlet Diameter: 4'' Outlet Diameter: 4'' Case Size: 16'' x 6-1/4''
View Details
$306.99
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
Racing Bullet Mufflers
$203.99
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
XR-1 Racing Bullet MufflerMidgets, Mini Sprints & Dwarf Cars Inlet Diameter: 2-1/2'' Outlet Diameter: 2-1/2'' Case Size: 14'' x 3-1/2''
View Details
$203.99
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
Sportsman Racing Mufflers
$363.99
Ships Today
FREE Shipping
Lowest Price Guarantee
$363.99
Ships Today
FREE Shipping
Lowest Price Guarantee
$146.99
(2)
Ships Today
Lowest Price Guarantee
XR-1 Sportsman Racing Muffler Type: Oval Inlet Diameter: 2-1/2'' Outlet Diameter: 2-1/2'' Case Size: 12'' x 4-1/2'' x 7.88''
View Details
$146.99
(2)
Ships Today
Lowest Price Guarantee
$158.99
(1)
Ships Today
FREE Shipping
Lowest Price Guarantee
XR-1 Sportsman Racing Muffler Type: Oval Inlet Diameter: 2-1/2'' Outlet Diameter: 2-1/2'' Case Size: 16'' x 4-1/2'' x 7.88''
View Details
$158.99
(1)
Ships Today
FREE Shipping
Lowest Price Guarantee
$154.99
(3)
Ships Today
FREE Shipping
Lowest Price Guarantee
XR-1 Sportsman Racing Muffler Type: Oval Inlet Diameter: 3'' Outlet Diameter: 3'' Case Size: 12'' x 4-1/2'' x 7.88''
View Details
$154.99
(3)
Ships Today
FREE Shipping
Lowest Price Guarantee
$158.99
(2)
Ships Today
FREE Shipping
Lowest Price Guarantee
XR-1 Sportsman Racing Muffler Type: Oval Inlet Diameter: 3'' Outlet Diameter: 3'' Case Size: 16'' x 4-1/2'' x 7.88''
View Details
$158.99
(2)
Ships Today
FREE Shipping
Lowest Price Guarantee
$183.99
Ships Today
FREE Shipping
Lowest Price Guarantee
XR-1 Sportsman Racing Muffler Type: Oval Inlet Diameter: 3-1/2'' Outlet Diameter: 3-1/2'' Case Size: 12'' x 4-1/2'' x 7.88''
View Details
$183.99
Ships Today
FREE Shipping
Lowest Price Guarantee
$194.99
Ships Today
FREE Shipping
Lowest Price Guarantee
XR-1 Sportsman Racing Muffler Type: Oval Inlet Diameter: 3-1/2'' Outlet Diameter: 3-1/2'' Case Size: 16'' x 4-1/2'' x 7.88''
View Details
$194.99
Ships Today
FREE Shipping
Lowest Price Guarantee
$194.99
(2)
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
XR-1 Sportsman Racing Muffler Type: Oval Inlet Diameter: 4'' Outlet Diameter: 4'' Case Size: 12'' x 4-1/2'' x 7.88''
View Details
$194.99
(2)
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
$218.99
Ships Today
FREE Shipping
Lowest Price Guarantee
XR-1 Sportsman Racing Muffler Type: Oval Inlet Diameter: 4" Outlet Diameter: 4" Case Size: 16" x 4-1/2" x 7.88"
View Details
$218.99
Ships Today
FREE Shipping
Lowest Price Guarantee
$179.99
(1)
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
XR-1 Sportsman Racing Muffler Type: Round Inlet Diameter: 3-1/2'' Outlet Diameter: 3-1/2'' Case Size: 8'' x 5''
View Details
$179.99
(1)
Ships directly from the manufacturer on 02/26/21
FREE Shipping
Lowest Price Guarantee
$143.99
(4)
Ships Today
Lowest Price Guarantee
XR-1 Sportsman Racing Muffler Type: Round Inlet Diameter: 3'' Outlet Diameter: 3'' Case Size: 15'' x 5''
View Details
$143.99
(4)
Ships Today
Lowest Price Guarantee
$144.99
(2)
Ships Today
Lowest Price Guarantee
XR-1 Sportsman Racing Muffler Type: Round Inlet Diameter: 3-1/2'' Outlet Diameter: 3-1/2'' Case Size: 15'' x 5''
View Details
$144.99
(2)
Ships Today
Lowest Price Guarantee