Improve horsepower and efficiency with Bursch high performance headers. Made from 1 5/8" 304 stainless 18 gauge steel these headers are a direct replacement for the heat exchangers on any 911 1965-1974. Headers can be used on later models as well with modifications. This set is made in Pasadena, CA and features a detachable collector for easy installation and lobster clamp attachment at the collector to S-pipe. Dyno tuned for increases of 10-15 HP over factory heat exchangers. Contains left and right bungs for oxygen sensors. Comes with (6) cylinder head gaskets and (2) muffler gaskets. Lifetime warranty! Please inquire about special customizations or installation assistance.

The following parts are included in this kit:

- Muffler Installation Kit (2 gaskets, 4 studs, 4 hexagon nuts) (SMC.111.193.00)
- 6 Exhaust Manifold Gaskets (930.111.191.13)
-12 Heat Exchanger Hex Nuts (SMC.144.52)
-12 M8 Lock Washers (SMC.173.97)