CLASS RACER FORUM - View Single Post - 2000 454 VORTEC DUALLY TOWING ENHANCEMENTS

Dave Toce · 04-12-2007, 01:27 PM

I installed a Flowmaster cat-back system on my 98 454 dually and it helped decreased my gas consumption by 1.5 mpg. It also seems to have more power as well. The stock monster muffler I have to believe is very restrictive.

04-12-2007, 01:27 PM	#2
Dave Toce Junior Member Join Date: Aug 2004 Posts: 34 Likes: 2 Liked 0 Times in 0 Posts	I installed a Flowmaster cat-back system on my 98 454 dually and it helped decreased my gas consumption by 1.5 mpg. It also seems to have more power as well. The stock monster muffler I have to believe is very restrictive.