pros and cons to 4" vs 5" exhaust system
#1
pros and cons to 4" vs 5" exhaust system
were is the best place to by
do I need to change the down pipe
does 4" give more hp
how much hp and mpg can I expect if any?
Thanks for any help
---AutoMerged DoublePost---
correction does 5" give more hp
do I need to change the down pipe
does 4" give more hp
how much hp and mpg can I expect if any?
Thanks for any help
---AutoMerged DoublePost---
correction does 5" give more hp
Last edited by stokes44; 11-01-2012 at 08:54 AM. Reason: Automerged Doublepost
#5
#6
#10