Chevy and GMC Duramax Diesel Forum - View Single Post

**bigdaddydiesel** · 10-17-2008, 04:49 PM

I have 33's and I get 19.5 around town and 25.4 on the highway with the '03,
my Sig has MOST of my mods...although there are a couple that are not listed, but they are custom things like insulating the intake and boost tubes, etc...

10-17-2008, 04:49 PM	eBay Motors #3 (permalink)
bigdaddydiesel DF Sponsors Join Date: Apr 2008 Location: Galax, Virginia Posts: 6,109	I have 33's and I get 19.5 around town and 25.4 on the highway with the '03, my Sig has MOST of my mods...although there are a couple that are not listed, but they are custom things like insulating the intake and boost tubes, etc... __________________ Chris Kelley Dealer Referral ID # 1678239 Email 1-888-563-5143 Winter Blend Fuel Additives