Quote:
Big Hemi's are a different ball game, they sometimes don't like an exhaust system.
Some guys make them work though, such as 572Charger.
 Mine doesn't like mufflers. I still use my 4" H pipe system on the street, but at the track I put my short 4" bullets right on the collectors.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
| 
