I have a 1998 GMC Sierra Pick-up truck with a 4.3 Litre Engine. It is a " SL " model. What is the nicest sounding muffler or exhaust system ? Please be specific as to make . model etc. ?
I have a 1998 GMC Sierra Pick-up truck with a 4.3 Litre Engine. It is a " SL " model. What is the nicest sounding muffler or exhaust system ? Please be specific as to make . model etc. ?
Being a 4.3 vortec. make sure you get the right set up for your exhaust. 2.5 inch works the best to all round HP and torque throughout the engine's rpm range.
Anything to large, you loose hp and torque on your lower rpm and too small a diameter will kill your hp on higher rpm.