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BORLA® Performance Industries
The World's Most Winning Exhaust
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XR-1® Multi-core Racing Mufflers
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XR-1® Racing Exhaust
Oval - Application: All full-bodied cars
Round - Application: All race venues requiring the highest flow muffler, space allowing.
Part #
Inlet Diameter
Outlet Diameter
Case Size
Price
40575
3"
3"
16" x 4 1/4" x 7 7/8"
Oval
$301.99 (USD)
400024
2.5"
2.5"
14"
6.25" round
$265.99 (USD)
400115
3"
3"
34" X 8.5" X 5.5"
Oval
$509.99 (USD)
400261
3.5"
3.5"
24"
6.25" round
$379.99 (USD)
400069
4"
4"
23 x 8.5" x 5.5"
Oval
$383.99 (USD)
40741
4"
4"
16"
6.25" round
$324.99 (USD)