LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

I'm so confused what should i do for a y-pipe?

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Old Jun 10, 2003 | 06:22 AM
  #1  
speed76demon's Avatar
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From: 1 hour south of springfield IL
I'm so confused what should i do for a y-pipe?

I'm ordering my jet hot lt's today and i was going to get the mufflew y-pipe but everybody says how much trouble it is. So now i dont know what to do. I heard that if you get one custom made that it rattles to much and there isnt any shops around here who mandrel bend. So what would be the best thing for me a guy with jet hot lt's and a hooker catback? If the mufflex isnt to bad my friend works at a little rinky dink exhaust shop and could do a small mod to it if neccessary. Well what do u think? are there any other y-pipes that would work?
Old Jun 10, 2003 | 06:37 AM
  #2  
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From: Detroit area
I would get the Mufflex.I have no problems with mine.In fact it worked out great.
Old Jun 10, 2003 | 08:51 AM
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From: West Palm Beach Fl
Yeah Im in the same boat as you man,just got my jet hots as well and trying to decide on a y-pipe to finish the set . I heard the mufflex and the hooker will work for the jet hots,but witch one to settle on is the questions any more opinions on these two would be great.

Gary
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Old Jun 10, 2003 | 05:24 PM
  #4  
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From: Little Rock, Arkansas
I just got my car with JetHot LT's into the exhaust shop this morning. After the JetHot install (last weekend) I found that the Mufflex Y-pipe would not fit without significant modifications. I drove the car to the shop and handed them the mufflex and asked them to work some magic with the darn thing. The passenger side of the mufflex worked out fine. On the driver’s side they cut off the lip on the transmission aft mount cross-member and replaced one of the mufflex pipes with a custom angled pipe. We also removed that metal plate that runs under the driveshaft from on side of the car to the other. I may reinstall it but need longer bolts and some spacer washers. There was also much use of crowbars, hammers and cursing. Anyway, after driving it around today, they seem to have done a good job, no rattles or anything. Ground clearance isn't too bad (my car is lowered.)

Having said all that, I would say that if you do not have a good shop that can do a custom y-pipe for you, get the mufflex and plan on having to modify it a bit to make it work. An exhaust shop should be able to make it work without too many problems.

Also if I were doing it all over again, I would find out more about that new Y-pipe Summit supposedly has available.

Hope this doesn’t just add to the confusion. : )

JeffA

Last edited by av8er; Jun 10, 2003 at 05:26 PM.
Old Jun 10, 2003 | 05:39 PM
  #5  
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From: Michigan
I had one custom made at an exhaust shop. I had to have it custom made because I have dual 3" cut-outs. They had to bend the drivers side pipe in the shape of an S where it met the Header collector, so it wouldn't hit underbody. It was all built out of 3" pipe, and welded together. I had no problems with leaks at all, and it is nicely tucked under the car. I personally would go the custom route.
Old Jun 10, 2003 | 11:29 PM
  #6  
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From: West Palm Beach Fl
Yeah, I was hopping I could just get a pipe that would fit into place,but it seems that having one custom fit would be the best route ,Thanks for all the info guys, and if any one else has any experience with this problem any input is greatily appretated, just wanna get it done right the first time ,save me time and possibily alittle $.

Gary
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Old Jun 11, 2003 | 11:09 AM
  #7  
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From: South Carolina
What about for those of us that do NOT have access to a shop that can fabricate pipes? What options do we have? Welding is OK, just can't bend any pipes.
Old Jun 11, 2003 | 04:36 PM
  #8  
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From: Little Rock, Arkansas
If you had a few short mandrel bent sections of pipe and straight sections of pipe you could do your own fabrication. I think one 90 degree bent pipe and a foot or two of straight pipe would be enough to slice and dice as needed to make a mufflex y-pipe work.

JeffA
Old Jun 12, 2003 | 05:34 PM
  #9  
leadfoot94's Avatar
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From: Michigan
If you had a few short mandrel bent sections of pipe and straight sections of pipe you could do your own fabrication.


This is originally what I was going to do. Even small auto parts stores carry pipes in different lengths and bends. All you have to do it select the ones you need and weld them together. I just didn't have time to do all of this by myself.
Old Jun 12, 2003 | 05:39 PM
  #10  
rpm4lalo's Avatar
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From: Zip Tie Island
I recently had to deal with the whole y-pipe for jet hot lontubes and decided to go ahead and go with true dual with dual cutouts and an h-Pipe.

But if you are going to go y-pipe, you need to find a good exhaust shop that won't be intimidated by fabbing up a custom one for you.
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