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02/25/2030 4:11 AM
Sale Price $288.99
In Stock (10+)
Usually delivered within 2 days
Usually delivered within 2 days
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Part number: 40575
Universal product
Product Details
Borla 40575 Xr-1 Stainless Multicore Racing Mufflers; Center/center; Full bodied Cars; Oval; 3 In. Inlet; 3 In. Outlet; 16 In. X 4.25 In. X 7.88 In. Case Size; 21 In. Overall L;
Products specifications
Case Length (in) 16.000 in.
Case Shape Oval
Case Size 16" x 4 1/4" x 7 7/8"
Inlet Diameter (ID) 3"
Inlet Diameter (in) 3.000 in.
Inlet Location Center
Inlet Quantity Single
Internal Construction Chambered
Muffler Finish Natural
Muffler Material Stainless steel
Outlet Diameter (in) 3.000 in.
Outlet Location Center
Outlet Quantity Single
Outlet Style Standard, without tip
Outside Diameter (OD) 3"
Overall Length (in) 21.000 in.
Quantity Sold individually.
Thickness (in) 4.125 in.
Width (in) 7.850 in.
Inlet Position Center
Material Stainless Steel
Outlet Position Center
Position N/A
Shape Oval
Inlet Type Single Center Inlet
Outlet Type Single Center Outlet
Body Height (in.) 4.25
Body Length (in.) 16
Body Width (in.) 7.875
Inlet Size (in.) 3
Outlet Size (in.) 3
Overall Length (in.) 21

Borla XR-1 Raceline products are the choice of todays hottest drag and oval track racers. Featuring a patented uninterrupted-flow design and multi-core technology, Borlas XR-1 mufflers actually outflow a straight piece of pipe in repeated testing. XR-1 race products are lightweight and constructed of high quality austenitic stainless steel for track-tough durability. They meet the strictest noise requirements and use sound-absorbing stainless steel packing to protect against burnout. Hands down, Borlas XR-1 Raceline offers the best balance of sound and power. This muffler has an inlet diameter and outlet diameter of 3 in each and a case size of 16 in x 4.25 in x 7.875 in.

  • Million mile warranty
  • Uses sound-absorbing stainless steel packing to protect against burnout
  • Case size: 16" x 4.25" x 7.875"
  • Outlet Diameter: 3"
  • Inlet Diameter: 3"
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Googled part number, came up with the best price.  Shipping was fast. Would buy from again for sure. No problems
Good pricing, fast shipping from motorstate distrib.
Great pricing and ability to use coupon code is a plus!
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