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Jun 7, 2010 | 11:04 AM

#16

jchosler

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Joined: Nov 2009

Posts: 819

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From: Denver, CO

6637 INTAKE IS FARELY CHEAP, GOOD FOR EGT'S
DONT DO THE 10K MOD IF YOUR PLANNING ON CHIPPING IT

Jun 7, 2010 | 11:29 AM

#17

Brown Falcon

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Joined: Jul 2008

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From: Thomasville, GA

Quote:

Originally Posted by jchosler

6637 INTAKE IS FARELY CHEAP, GOOD FOR EGT'S
DONT DO THE 10K MOD IF YOUR PLANNING ON CHIPPING IT

He already has the 6637 (according to his sig)

Jun 7, 2010 | 11:33 AM

#18

jchosler

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Joined: Nov 2009

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From: Denver, CO

whoopsy

Jun 8, 2010 | 08:09 AM

#19

ramrod7373

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Joined: Jan 2003

Posts: 241

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From: Redding, Ca USA

I did not do the downpipe yet. The local diesel shop said to wait and see how the exhaust pans out. I did get a bigger trans cooler installed last year. I think it made a big difference. I don't really want to mess up the firewall w/ installing a new DP. Can't afford to have it done either, that's why I did what I can do. When I can afford to I will have the DP done and some other stuff. But for now I guess I will just drive it. Thanks for all the info

Jun 8, 2010 | 09:23 AM

#20

jchosler

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Joined: Nov 2009

Posts: 819

Likes: 1

From: Denver, CO

the firewall modification is really simple, it's just bending the seem out of the way. I cut the seem in a couple places and bent it, took less than a half hr for me

Jun 8, 2010 | 10:13 AM

#21

Brown Falcon

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From: Thomasville, GA

You don't need to modify the actual firewall much at all. Just cut the little seam in two places and bend it up out of the way. New 2 piece 3" downpipe can be bought for less than $100. To install just need a sawzall with some good quality long blades and basic tools. Got my DP from Bean's Diesel. Installed in about 3 hours or less.

IMO aftermarket exhaust is worthless without upgrading the downpipe.

Jun 8, 2010 | 10:24 AM

#22

chicagodragon

Logistics Pro

Joined: Jun 2009

Posts: 4,116

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From: metairie, LA

Quote:

Originally Posted by Brown Falcon

IMO aftermarket exhaust is worthless without upgrading the downpipe.

i agree. have you seen it?

Attached Images

Jun 8, 2010 | 09:24 PM

#23

ramrod7373

Thread Starter

Senior User

Joined: Jan 2003

Posts: 241

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From: Redding, Ca USA

Do you have to wrap the aftermarket DP with that wrap to cut down the temp? Yes I do have the 6637 filter.

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Jun 8, 2010 | 10:54 PM

#24

JamesHajek

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Joined: Jun 2009

Posts: 2,566

Likes: 1

From: Monroe/Ellensburg, WA

Quote:

Originally Posted by ramrod7373

Do you have to wrap the aftermarket DP with that wrap to cut down the temp? Yes I do have the 6637 filter.

You dont have to wrap it, some people do though.

Jun 9, 2010 | 09:09 AM

#25

jchosler

Elder User

Joined: Nov 2009

Posts: 819

Likes: 1

From: Denver, CO

I didn't, no problems since

Jun 12, 2010 | 03:34 PM

#26

Brown Falcon

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Joined: Jul 2008

Posts: 11,231

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From: Thomasville, GA

Wrapping it would help a little, also keep it from rubbing against things and getting a hole in it if it shifts out of position.

Don't need it though.