Designed for use on vehicles racing at venues requiring a muffler, but can be used on other applications. Reversible design for installation flexibility. Patented Multicore design for maximum power. Recommend for high horsepower applications. T-304 Stainless steel will never rust. 100% welded construction for strength. High temperature T-304 stainless steel wool packing for sound control. Best of all, it's made in the USA. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.
Borla XR-1 Multicore Muffler 40741
Specifications:
| Body Height | 6.250 in. |
| Outlet Position | Center |
| Title Extended | XR-1 Multi-Core 4in Center-Center 16inx6.25in Round - Racing Muffler Part # 40741 |
| Tip / Outlet Finish | N/A |
| Shape | Round |
| Prop 65 Yes/No | Yes |
| Prop 65 (C, R or CR) | CR |
| Prop 65 - Short Label | Proposition 65 Warning.JPG |
| Prop 65 - Long Label | WARNING: This product in the physical form it is sold does not present a hazard. However, operations including, but not limited to welding, brazing, or thermal cutting can expose you to chemicals including Chromium, Nickel, Cobalt, Arsenic, Cadmium and Lead which are known to the State Of California to cause cancer, birth defects and other reproductive harm. For more information go towww.P65Warnings.ca.gov |
| Overall Length | 21.000 in. |
| Outlet Type | Single Center Outlet |
| Outlet Outside Diameter | 4.000 in. |
| Body Length | 16.000 in. |
| Off Road Use Only | No |
| Muffler Count | 1 |
| Material | T-304 Stainless Steel |
| Main Piping Diameter | 4.000 in. |
| Inlet Type | Single Center |
| Inlet Position | Center |
| Inlet Connection Type | Pipe |
| Grade Type | Performance |
| Construction | All Welded |
| Body Width | 6.250 in. |
| Title | XR-1 Multi-Core Racing Muffler 4in Center Inlet/ 4in Center Outlet 6.25in Round x 16in Long Body |
| Description_SHO | XR-1 Multi-Core |
| Description_INV | BorlaXR-1 Multi-Core Muffler |
| Description_DEF | Exhaust Muffler |
| Description_DES | XR-1 Multicore Muffler |
| Description_ASM | XR-1 Multi-Core Racing Muffler For Venues Requiring A Muffler - 4" Center Inlet/ 4" Center Outlet 6.25" Round x 16" Long Body 21" Overall Length. Universal Part. Reversible Design. |
| Description_EXT | XR-1 Multi-Core Racing Muffler For Venues Requiring A Muffler - 4" Center Inlet/ 4" Center Outlet 6.25" Round x 16" Long Body 21" Overall Length. Universal Part. Reversible Design. |
| Description_MKT | Designed for use on vehicles racing at venues requiring a muffler, but can be used on other applications. Reversible design for installation flexibility. Patented Multicore design for maximum power. Recommend for high horsepower applications. T-304 Stainless steel will never rust. 100% welded construction for strength. High temperature T-304 stainless steel wool packing for sound control. Best of all, it's made in the USA. Just what you'd expect from the world's most experienced (and most winning) exhaust brand. |


