12-10-2014, 08:32 PM
So slowly getting my gt20 ready for bolting on I'm doing a 3 inch down pipe with flexible joint, then gonna reduce to 2.5.
What I'm wanting to no will it be ok to reduce again to the standard system size near the back box area? Or will it be to restrictive and best to stay 2.5 all way back?
What I'm wanting to no will it be ok to reduce again to the standard system size near the back box area? Or will it be to restrictive and best to stay 2.5 all way back?