9
98duffa
New Member
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- 68
hi all. i have an evo7 import with dump valve, decat and exhaust, air filter, walbro fuel pump and soon to have a pressure valve and remap. if i was to have my valve and remap dun then in the future fit an exhaust manifold would this screw anything up or wouldnt it really matter before or after the remap. thanks all