Exhaust question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Sooner1970_K10 · 01-15-2005, 09:25 AM

I have a dumb question.. How come I dont ever see anyone coat their exhaust system? Would it not prolong the metals life? Does the metal need to breath or what? Would anyone care to explain?

Tx Firefighter · 01-15-2005, 10:12 AM

Size mainly. Some of the big boys coat their systems, but they have to build them so they are comprised of smaller pieces which can be rejoined together after they are coated.

**'70_402** · 01-15-2005, 12:12 PM

i painted mine with exhaust paint after i got it all fab'd up and then slid it in and bolted the mufflers on. the pipes don't get as hot as the headers so the paint will stay on.. but i sandblasted mine first to prep.....

01-15-2005, 09:25 AM	#1
Sooner1970_K10 1970 K10, 350, 4spd! Join Date: Jun 2004 Location: Shawnee, Ok Posts: 128	Exhaust question I have a dumb question.. How come I dont ever see anyone coat their exhaust system? Would it not prolong the metals life? Does the metal need to breath or what? Would anyone care to explain?

01-15-2005, 10:12 AM	#2
Tx Firefighter Watch out for your cornhole ! Join Date: Jun 2003 Location: Azle, Texas Posts: 14,162	Size mainly. Some of the big boys coat their systems, but they have to build them so they are comprised of smaller pieces which can be rejoined together after they are coated. __________________ I'm on the Instagram- @Gearhead_Kevin

01-15-2005, 12:12 PM	#3
'70_402 Senior Member Join Date: Dec 2003 Location: Pampa, Texas Posts: 1,553	i painted mine with exhaust paint after i got it all fab'd up and then slid it in and bolted the mufflers on. the pipes don't get as hot as the headers so the paint will stay on.. but i sandblasted mine first to prep..... __________________ https://www.ebay.com/itm/29620574751...mis&media=COPY



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