4" or 5" straightpipe?
Senior User
Joined: Apr 2003
Posts: 424
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From: Northern IL
Here we go, I got the info.
Walker/Dynomax Aluminized steel over the axle pipe. 55102 (45° exit)
Walker/Dynomax Stainless steel over the axle pipe. 55142 (45° exit)
IMCO Aluminized steel over the axle pipe. 55014 (90° exit just like OEM)
I didn't know about the IMCO part or the W/D Stainless Steel part when I did mine, I used the 55102 on both my 96 and 2000. Both W/D pipes exit at a 45° angle behind the rear wheel and need about 18" welded onto the tip to make it past the bumper/fender, otherwise it is tucked under the truck a little. I left it short on my 96 and there was only a little soot on the chrome bumper. On my 2000 I welded the extension on and no soot at all on the bumper. I have had the 4" on the 96 for at least 4 years and no rust at all, so I see no reason to go S/S unless you just want the look. The IMCO 55014 exits in stock location(90° relative to the fender) behind rear wheel. To find a IMCO dealer near you click here http://www.imcoweb.com/index2.html
Walker/Dynomax Aluminized steel over the axle pipe. 55102 (45° exit)
Walker/Dynomax Stainless steel over the axle pipe. 55142 (45° exit)
IMCO Aluminized steel over the axle pipe. 55014 (90° exit just like OEM)
I didn't know about the IMCO part or the W/D Stainless Steel part when I did mine, I used the 55102 on both my 96 and 2000. Both W/D pipes exit at a 45° angle behind the rear wheel and need about 18" welded onto the tip to make it past the bumper/fender, otherwise it is tucked under the truck a little. I left it short on my 96 and there was only a little soot on the chrome bumper. On my 2000 I welded the extension on and no soot at all on the bumper. I have had the 4" on the 96 for at least 4 years and no rust at all, so I see no reason to go S/S unless you just want the look. The IMCO 55014 exits in stock location(90° relative to the fender) behind rear wheel. To find a IMCO dealer near you click here http://www.imcoweb.com/index2.html
Last edited by Ggg6; Mar 24, 2005 at 02:56 PM.
Laughing Gas
Joined: May 2003
Posts: 1,148
Likes: 1
From: Richmond, VA
Originally Posted by vancouverpower
I can't imagine that dumping the exhaust in front of the tire will wear it out faster. I can hold my hand on the tail pipe without burning it so it's not that hot. No different from driving on hot asphalt. Plus some f150's exhaust dumps right there from the factory. :-)
I know here in VA the tailpipe simply has to be behind the passenger compartment.
I'm sure at any speed the heat of the exhaust is negligible. But at idle over time . . .? Perhaps it not just the heat maybe the exhaust gases attack the rubber and metal as well.
Just a fine point.
Reg
Junior User
Joined: Aug 2004
Posts: 76
Likes: 0
now I plan to run a 4" downpipe from Tymar, then go with 5" pipe back....should I go in front the tire? Right now I have it split into 2 pipe over the axel and out each side at 45 degrees. Would I be able to reuse the 2 3.5" pipes from the 5" or should I go with bigger, or like I said before, shoudl I just go easy in fron the tire with a 5"
Postmaster
Joined: Dec 2003
Posts: 2,864
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From: STEPHENVILLE,TX!!!!!
ive had mine infront of the rear tire for 5 years now with no issues other than the soot on the wheel but that wipes right off when i wash the truck. look at how many class 6 and 7 trucks exaust is usually dumps out just behind the cab underneath or infront of rear axle. if your strait piping behind the wheel is gonna be less cab noise and more money. im going to run mine to the back but only because im going to 4 link the rear end and go full air ride in the back and would be nice to have a tool box under the flat bed infront of the wheel.
Posting Guru
Joined: May 2003
Posts: 1,209
Likes: 0
From: Nowhere, SE OK
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Senior User
Joined: Apr 2004
Posts: 316
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From: Roaring Branch, PA
This is what I'm talkin about when I say stacks, http://www.blackclouddiesel.com/Stacks/stacks.htm .
The picture that I saw of the 6" was coming out the passenger side in front of the drive wheel.
The picture that I saw of the 6" was coming out the passenger side in front of the drive wheel.
Junior User
Joined: Aug 2004
Posts: 76
Likes: 0
that site goes to motor haven .com.....I did a search after yor last post and found the blackcloud site....the more i look at it, the more I want it....just makes me wonder though...with straight stacks you have ot put a can over it to keep water out tright? Thats what truckers have to do on the big rigs...or they have a flap....
Posting Guru
Joined: Aug 2004
Posts: 2,417
Likes: 4
From: Braham MN
My buddy drilled a tiny hole in the elbow on the bottom of the stacks, this lets all the water drain out. It will have to REALY be raining for the pipes to fill up with enough water to get to the turbo, being that it is the same height as the dash, I dont think that it will be much of a problem. but when mine go on, I will just drill the hole.
Diesel Rod
Diesel Rod