mfflers
#1
mfflers
What is the best muffler you for the 4.3 a straight flow design muffler capable of about 1000cfm made by dynomax or a S flow design muffler capable of about 410cfm made by dynomax. I know the 1000cfm is the sound I want but will it increase or decrease hp/mpg.
thanks
thanks
#2
RE: mfflers
Oh ya I also have a K&N cold air kit installed