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Oct 27, 2004 | 02:35 PM

tolie77

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Joined: Oct 2004

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performance parts

what would be the best items to start with on a 02 7.3 psd for more power and mileage i only get 15 mpg average hwy/cty.

Oct 27, 2004 | 02:38 PM

arrowpilot

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Joined: Aug 2004

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3" down pipe.

K&N filter

Oct 27, 2004 | 05:59 PM

jamesj

Mountain Pass

Joined: Apr 2004

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Quote:

Originally Posted by arrowpilot

3" down pipe.

K&N filter

Do you mean 4" pipes?

Oct 27, 2004 | 06:18 PM

refuse2

Senior User

Joined: Dec 2003

Posts: 282

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From: Washington, Kansas

I beleive that the 02 came with a factory 3" pipe so anything over that would be an improvement.

refuse2

Oct 27, 2004 | 08:43 PM

77hiboyboy

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Joined: Feb 2003

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From: The Great Plains

full 4 inch intake, tymar or variation of.

Oct 27, 2004 | 08:47 PM

'961506

Elder User

Joined: Sep 2004

Posts: 631

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From: P-Town, CA

I heard that it is possible to lose power with anything bigger or even just a 4" downpipe. My dad got B&B full exhaust, and AFE Stage 1 intake(he got it before stage 2 came out or I think he would have got that). The thing is, it all depends on your driving, the way he drives, the intake didnt make a huge difference, but he notices it, whereas that exhaust was a big improvement, and sounds pretty good too.