Chevy and GMC Duramax Diesel Forum - View Single Post

Dennis Paish · 08-30-2008, 04:45 PM

Greetings,
Thanks for the inputs.
If I installed a turbo back exhaust, it would validate my warranty, correct? Are there significant MPG gains with only a CAT Back exhaust and possibly just a K&N filter?

Thanks,
Dennis

08-30-2008, 04:45 PM	eBay Motors #5 (permalink)
Dennis Paish Junior Member Join Date: Jul 2008 Posts: 6	Greetings, Thanks for the inputs. If I installed a turbo back exhaust, it would validate my warranty, correct? Are there significant MPG gains with only a CAT Back exhaust and possibly just a K&N filter? Thanks, Dennis