Increase the horsepower of your 911 with a high performance Bursch header system. This replaces your stock heat exchangers.
SIZE CHART FOR HEADERS:
Street - 2.0-3.0 (1-1/2" O.D.)
Street - 3.2-3.6 (1-5/8" O.D.)
Track (open megaphones) - 2.0-2.4 (1-1/2" O.D.)
Track (open megaphones) - 2.5-2.8 (1-5/8" O.D.)
Track (open megaphones) - 3.0-3.6 (1-3/4" O.D.)
*Legal in CA only for racing cars/may never be driven on highway
**Track cars running mufflers use street sized headers.
SIZE CHART FOR HEADERS:
Street - 2.0-3.0 (1-1/2" O.D.)
Street - 3.2-3.6 (1-5/8" O.D.)
Track (open megaphones) - 2.0-2.4 (1-1/2" O.D.)
Track (open megaphones) - 2.5-2.8 (1-5/8" O.D.)
Track (open megaphones) - 3.0-3.6 (1-3/4" O.D.)
*Legal in CA only for racing cars/may never be driven on highway
**Track cars running mufflers use street sized headers.