Tomei EJ255-EJ257 Equal-Length Header for Single Scroll EJ Valves Cut duration based on gear

Cut duration based on gear

we realize they are not for everyone

Used to connect ECU to a computer with a serial interface (DB9 Male)

Bolts you can get a real socket on and use some real force

360" compressor inlet dimension without any compressor surge

Tomei EJ255-EJ257 Equal-Length Header for Single Scroll EJ Valves Cut duration based on gear4 2 1 Isometric Design for Optimum Results at High End RPM With our ever popular EXPREME exhaust manifolds which is now used throughout the world. Our EXPREME Manifolds have received numerous high appraisals on all aspects of efficiency, durability and performance gains. Now with this new addition to the EJ25 user family we now have a manifold specifically to optimize the EJ25 true power output potential. Perfect Pipe Size, All Equal Length. We