Mods for milage ?
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Freshman User
Joined: Dec 2007
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Mods for milage ?
I have a 2004 Supercab, 6.5 bed, 5.4 engine, 3:73 gears, 18" factory wheels on Big O Bigfoots, the only Mod I've done so far is to add an Air Raid CAI, I'm not building a "Race Truck" it is a daily driver that only makes it off road for a few hunting trips in the Fall, Winter, and Spring. I would just like a little more get up and go, and a little better milage out of it. I'm considering adding a set of U/D pullies, JBA Cat Forward Shorty Headers, Magnaflow 15821 SI/SO exhast, and maybe the Flex A Lite 270 electric fan kit, would I get the desired results from all of this ? WHat can I reasonably expect for a gain in power and milage out of these Mods ? Thanks in advance 
Junior User
Joined: Jun 2007
Posts: 70
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From: Salisbury, NC
Junior User
Joined: Jun 2007
Posts: 70
Likes: 0
From: Salisbury, NC
I just thru that up there for a example. but a cat is just like a muffler as long as it will fit it will work for your truck. they only thing to check is that it will pass smog tests if you live in a state that tests vehicles. there are alot of different name brands that make high flow cats.
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Freshman User
Joined: Dec 2007
Posts: 36
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We do have emissions testing here, I wouldn't want to try cobbing together something, I prefer a specific fit product over a universal, usually alot less work involved !
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Junior User
Joined: Jun 2007
Posts: 70
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From: Salisbury, NC
Yeah i understand i just moved to NC 3 weeks ago and thats what stoped me from cutting my cats off. I did cut the 2 pre cats off but they wont matter for the emissions test. I found a spicific cat setup it bolted to the manifold and was complete to the y pipe for my 02 but i fergot where but if i come accross it again i will see if they also fit or make a setup for the your 04
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