Part# | Product Type | Shape | Tubing Ø | Inlet / Outlet | Case Size | XR-1® Type |
---|---|---|---|---|---|---|
40004S | XR-1® Sportsman (Race Mufflers) | Round | 3.5" | Center / Center | 8" x 5" diameter round | Sportsman |
BORLA®'s XR-1® raceline products are the choice of today's hottest drag and oval track racers. Featuring a patented uninterrupted-flow design and multi-core technology, BORLA®'s XR-1® mufflers actually outflow a straight piece of pipe in repeated testing. XR-1® race products are made in the USA 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, BORLA®'s XR-1® raceline parts offer the best balance of sound and power.