HUGE SIDE EXHAUST. Twin Turbo OBS Chevy gets a 5 INCH side exhaust! Its big!

[@Nevaloud]

Love the Grinch truck. Also what's the link for the design book. Please

[@LoudandProudBSE]

www.gmupfitter.com/pdflists/view/6 Here ya go!

[@NextEraCustoms]

Nice whats the web page for the gm dimensions list

[@LoudandProudBSE]

Just email my at [e-mail] and I'll send ya copy. I just searched "GM upfitters manual". There are a couple generations out there

[@LoudandProudBSE]

www.gmupfitter.com/pdflists/view/6