2500 HD more power / performance

Heavy Duty · 11-15-2006, 09:49 AM

Hey everybody I wanted to see if I can get some info regarding performance and horsepower. I just picked up a fifth wheel trailer and I would like to add more horsepower and performance to my 2002 8 liter. I was thinking of installing headers. What do you think would this be wise would this help if so what brand should I go with. What other options do I have.

Thanks for the help

bradrhale · 11-15-2006, 12:08 PM

installing headers is not going to give you the performance that you might be seeking. more than just that needs to be done if you are seeking a noticable differance in power gain. if you do want to get headers, there are several different makes and models out there dependant on what exactly you want your truck to do. Hooker makes great products but tends to be more expensive than the rest of the competition.

Chevy808 · 11-15-2006, 02:42 PM

Headers will cause your egr not to function correctly.

Your egr relies on some back pressure to work and headers (allowing free flow) will prevent that. The long primaries type of headers has the most free flowing function whereas the shorty types works on egrs....I think. If your state does'nt require emission inspection then you'll be alright.

11-15-2006, 09:49 AM	#1
Heavy Duty Junior Member Join Date: Nov 2006 Posts: 4	2500 HD more power / performance Hey everybody I wanted to see if I can get some info regarding performance and horsepower. I just picked up a fifth wheel trailer and I would like to add more horsepower and performance to my 2002 8 liter. I was thinking of installing headers. What do you think would this be wise would this help if so what brand should I go with. What other options do I have. Thanks for the help

11-15-2006, 02:42 PM	#3
Chevy808 Senior Member Join Date: Nov 2006 Location: Born & raised in Hawaii had to move to Salt Lake City...bummer Posts: 275	Headers will cause your egr not to function correctly. Your egr relies on some back pressure to work and headers (allowing free flow) will prevent that. The long primaries type of headers has the most free flowing function whereas the shorty types works on egrs....I think. If your state does'nt require emission inspection then you'll be alright. __________________ '85 Oldsmobile 442 '93 Chevy 2WD C1500 350 Silverado Extended Cab Shortbed '95 Chevy 4WD K2500 454 Silverado Extended Cab Long Bed Last edited by Chevy808; 11-15-2006 at 08:22 PM.

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11-15-2006, 12:08 PM	#2
bradrhale Senior Moderator Join Date: Apr 2006 Location: Texas Posts: 8,025	installing headers is not going to give you the performance that you might be seeking. more than just that needs to be done if you are seeking a noticable differance in power gain. if you do want to get headers, there are several different makes and models out there dependant on what exactly you want your truck to do. Hooker makes great products but tends to be more expensive than the rest of the competition.