7.3 Powerstroke 5 inch straight pipe roll by 5 Exhaust 7.3 Powerstroke
4" vs 5" Exhaust Comparison - 7.3 Powerstroke Turbo Diesel so its already bottle-necked and 4" atleast in my head would clear the shocks, trans, and spare tire better. 2002 F250 w/e99 7.3/JW Tow master '02 7.3 Powerstroke 5 inch Magnaflow aluminized turbo back exhaust no muffler on 140HP TS performance tune. Pros And Cons Of Installing A 5 Inch Turbo Back Straight Pipe On My 7.3 L Powerstroke Diesel! I install on my OBS 7.3L powerstroke a 4inch turbo back stainless steel exhaust system from MBRP and it sounds wonderful! ...