Borla 40703 - XR-1 Multicore Collector Muffler Standard Best-Seller GTIN: 00849055033058

GTIN: 00849055033058

GTIN: 725478009507

4 (see application info to verify vehicle compatibility)

Inlet Size (IN): 1-3/8 Inch

1948-1950 Dodge B-1

Borla 40703 - XR-1 Multicore Collector Muffler Standard Best-Seller GTIN: 00849055033058This 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