I have a 2013 gt looking at getting the mbrp catback and offroad H pipe with the stock headers. Does anyone have this done or similar. Iam just wondering how it will be with the stock headers
MODs: MBRP LT, O/R H-Pipe, Cat BAck Exhaust, JLT CAI, 93 Bama Race Tune. Lowering Springs, Koni shock & struts, Whiteline UCA & LCA. Whats Next?