13-06-2013, 12:26 PM
(13-06-2013, 07:41 AM)Poodle Wrote: You can just use any old box thats been gutted for a back box, just needs hangars in the right places. Something of the same design as an hdi midbox would be ideal, but wont make much difference really.
Not true, on a stage 2 car the difference is the best part of 10bhp