Josh Beacock
Member
- Joined
- Aug 31, 2012
Just a quick question,advice etc i currently have the pypes system exhaust with pypes violater mufflers will changing to dynomax ultra flows make an increase in hp and if so will I be able to notice the change? Also man there are some mean sounding grand nationals I can't figure out how to get that soun... I know dumb question I'm just curious thanks for any help