Gains with a 3" cutout VS a B&B catback??
#1
Gains with a 3" cutout VS a B&B catback??
I have a B&B catback exhaust and the Dynamaxx (supermaxx system) headers and cats. will I gain anything with a cutout in the I pipe??
Please help. All mods are listed in sig...
Please help. All mods are listed in sig...