Description
This is the HOT set up in drag racing. This patented, award and race-winning vacuum Wave Collector was designed to replace your current open header collector and serves as a power producing merge collector and muffler — all in a single unit. The technology in this unit results in pulling air through the engine faster, which creates more power. When an exhaust valve opens, an energy wave is created from the expanding combustion gases. When this wave encounters a lower pressure area such as a larger collector pipe or the atmosphere, a reversion wave is reflected back toward the exhaust valve. Borla’s Vacuum Wave Collector Muffler ensures this wave’s “anti-node” reaches the exhaust valve at the precise time for its lower pressure to help fill the combustion chamber with a fresh charge and to further extract spent gases from the chamber via a vacuum effect. Made with the same patented, award and race winning flow through design as the Standard XR-1(r) Collector/Muffler. This muffler, however, is designed for door car applications where a Standard size Collector/Muffler is too large. This muffler is recommended for Full Chassied Cars. Accepted in NHRA, IHRA, Hot Rod Series, Brackets, Super Chevy, and NSCA. Recommend for high horsepower applications. T-304 Stainless steel will never rust. 100% welded construction for strength. T-304 stainless steel wool 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.
Specifications:
| Body Height | 6.750 in. |
| Body Length | 14.000 in. |
| Body Width | 6.750 in. |
| Construction | All Welded |
| Description_ASM | XR-1(r) Multicore Shorty Collector Racing Muffler – (4) 2.375″ Inlets (1) 4.5″ Outlet 6.75″ Round x 13.75 Long Body 16.25″ Overall Length. Universal Part. |
| Description_DEF | Exhaust Muffler |
| Description_DES | XR-1 Multicore Collector Muffler Shorty |
| Description_EXT | XR-1 Multi-Core Shorty Collector Racing Muffler – 2.375″ Inlets (4)/ 4.5″ Outlet 6.75″ Round x 13.75 Long Body 16.25″ Overall Length. Universal Part. |
| Description_INV | Borla(r) XR-1 Collector Muffler |
| Description_MKT | This is the HOT set up in drag racing. This patented, award and race-winning vacuum Wave Collector was designed to replace your current open header collector and serves as a power producing merge collector and muffler — all in a single unit. The technology in this unit results in pulling air through the engine faster, which creates more power. When an exhaust valve opens, an energy wave is created from the expanding combustion gases. When this wave encounters a lower pressure area such as a larger collector pipe or the atmosphere, a reversion wave is reflected back toward the exhaust valve. Borla’s Vacuum Wave Collector Muffler ensures this wave’s “anti-node” reaches the exhaust valve at the precise time for its lower pressure to help fill the combustion chamber with a fresh charge and to further extract spent gases from the chamber via a vacuum effect. Made with the same patented, award and race winning flow through design as the Standard XR-1(r) Collector/Muffler. This muffler, however, is designed for door car applications where a Standard size Collector/Muffler is too large. This muffler is recommended for Full Chassied Cars. Accepted in NHRA, IHRA, Hot Rod Series, Brackets, Super Chevy, and NSCA. Recommend for high horsepower applications. T-304 Stainless steel will never rust. 100% welded construction for strength. T-304 stainless steel wool 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. |
| Description_SHO | XR-1 Collector |
| height | 25.0 |
| Inlet Connection Type | Pipe |
| Inlet Position | Center |
| Inlet Type | Single Center |
| length | 11.0 |
| LTL | N |
| Main Piping Diameter | 2.375 in. |
| Material | T-304 Stainless Steel |
| Muffler Count | 1 |
| Off Road Use Only | No |
| Outlet Outside Diameter | 4.500 in. |
| Outlet Position | Center |
| Outlet Type | Single Center Outlet |
| Overall Length | 19.000 in. |
| Prop 65 (C, R or CR) | CR |
| 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 Le |
| Prop 65 – Short Label | Proposition 65 Warning.JPG |
| Prop 65 Yes/No | Yes |
| Shape | Round |
| Tip / Outlet Finish | N/A |
| Title | XR-1(r) Multi-Core Racing Muffler Shorty Collector Quad 2.375in Inlet/ 4.5in Outlet 6.75in Round x 14in Long Body |
| Title Extended | XR-1(r) Multi-Core Racing Muffler Shorty Collector Quad 2.375in Inlet/ 4.5in Outlet 6.75in Round x 14in Long Body Part # 40977 |
| weight | 11.0 |
| width | 11.0 |
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