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Headers and Stock single exhaust?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by CrazeeBush, May 28, 2001.

  1. CrazeeBush

    CrazeeBush 1/2 ton status

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    Okay, I'm about to have some exhaust work done and I have to keep the stock exhaust routing for our inspections. I want a single 3 inch exhaust, but I know that full length headers won't bolt into the stock y-pipe. What's my best route for acomplishing this? I'd imagine I'll be paying dearly to have the y-pipe bent at an exhaust shop. Anyone got any pics? I need some ideas before I approach the exhaust shops around here.

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  2. Sparky87k5

    Sparky87k5 1/2 ton status

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    Try Doug Thorley 364 series headers as you can get them with a Y pipe already built. Link:
    http://www.thorleyheaders.com/catalog.html

    87 K5, D60 & 14FF, 5 sp & NP208 & 383 stroker. Build it Bulletproof and take it fishing!
     
  3. solowookie

    solowookie 1/2 ton status

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    I'm not an exhaust expert, and somebody here has got to be. Here's my opinion anyway!

    I just had new headers and whole new exhause put in. I went with hooker super competition headers equal lenghts and I <font color=red>LOVE</font color=red> them. But if I remember correctly the the factory headers are more like a shorty.

    That being the case I think you can get whatever header you want, and get a y from summit or somebody like that and not have to go to an exhaust shop.

    A lot of people here complain about aftermarket headers being to close to the springs, but I had NO problems like that w/ the hookers.

    The thorleys are suppose to be really nice too, and I don't think you could loose with those, but they were $100.00 more then my hookers.

    [​IMG] <font color=blue> Jeff </font color=blue> [​IMG]
     
  4. CrazeeBush

    CrazeeBush 1/2 ton status

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    I was thinking that the Thorley's were expensive, I was seeking a cheaper route. Someone must have full length headers and a single exhaust out there..

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  5. wayne

    wayne 3/4 ton status

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    I just finished my exhaust a couple of weeks ago. I had made the decision to keep the factory exhaust manifolds and Y-pipe because I don't think that headers will be that much of a differance on a stock engine. Plus headers can be a pain in the butt when they don't want to seal correctly. What I went with is a Catco converter and a Flowmaster Force 2 cat back system. I like it alot and on the plus side I don't have more stuff underneith to bash on rocks.

    <A target="_blank" HREF=http://jamonline.homestead.com/fromthegroundupK54x4/89Jimmy.html>http://jamonline.homestead.com/fromthegroundupK54x4/89Jimmy.html</A>
    <font color=blue>Happy Trails<font color=blue>
    <font color=blue>Wayne<font color=blue>
     
  6. Thunder

    Thunder 3/4 ton status

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    Edeibrock's TES exaust system, Includes headers and a Y pipe that work very well.They give A LOT more power than than stock manifolds. It will bolt right up to yur stock 3" exahust pipe with no modifications. I took my time and installed mine in about 4 hours along with a new muffler and am very pleased with them. They cost around 360.00 but you wont have to make a trip to the muffler shop unless your exaust system is shot.
    Check them out at:<A target="_blank" HREF=http://www.edelbrock.com/automotive/index.html>http://www.edelbrock.com/automotive/index.html</A>
     
  7. muddin4fun

    muddin4fun 3/4 ton status

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    You can get some shorty headers and alot of them have kits to bolt up the the stock exhaust. My camaro has edelbrock shorties and they're a dream! I haven't had any sealing problems or anything with them. I had to retorque the collectors once but that's it. It has helped a lot with the power on it.



    <font color=orange>hAS ANYONE SEEN MY cAPSLOCK KEY?</font color=orange>


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  8. CrazeeBush

    CrazeeBush 1/2 ton status

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    Well, here's what I had in mind: FlowTech afterburner headers single 3in in/out cat and a 3"in/dual2.5" out flowmaster. I figured I could drive it open headers to an exhaust shop and have them hang it all for me. I was really looking at these headers for their price. Although if I bought some headers that had y-pipe included, I could hang everything back to the muffler and save myself some $$$ on exhaust work... hmmmm. It's a thought. Anyone got any pics fo their headers. I'm looking at where the collectors exit, and where the y-pipe will end. I'll be buying a new converter and muffler, so I'd like to see some pics.

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  9. muddin4fun

    muddin4fun 3/4 ton status

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    I'll see if I can get some pics of my camaro's set up. It's not a blazer, but it has headers and then the factory y-pipe. When are you planning on doing this? It might be later in the week before I can get pics.



    <font color=orange>hAS ANYONE SEEN MY cAPSLOCK KEY?</font color=orange>


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  10. Thunder

    Thunder 3/4 ton status

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    I dont have any pitures but the Edelbrock TES system's Y pipe ends at the exact same place the stock Y pipe does. So all you have to do is clamp on the cat and exaust and you are down the road. The headers are connected to the Y pipe with stock type donuts not flanges so they do not leak. I'v used mine pretty hard Towing, 4 wheeling, ect and have had no problems or leaks. Mine are made out of stainless steel so I imagin they will last a very long time.
     
  11. 2Dogs

    2Dogs 1/2 ton status Premium Member

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    Thunder,
    Does the Edelbrock system cross under the transfer case like the stock design?
    Dave
     
  12. Cavalry

    Cavalry 1/2 ton status

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    Thunder....I spoke with a Edelbrock Rep a few weeks ago and he told me I would run into problems with the crossover w/ a lift? He also told me they were not avail in stainless? Whats the real deal?
    I just bought some Edelbrock SS shorties for a PU and am going to make them work. I think since it will be exactly what I want I cant go wrong.

    "There is a fine line between hobby and mental illness"
    Luke
    84 K5
     
  13. CrazeeBush

    CrazeeBush 1/2 ton status

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    Yeah, I plan on lifting the truck sometime as well, I'd hate to have interference with the drivershaft and the crossover pipe. I'm still leaning toward the full length headers and a custom y-pipe. I think my friend's Dad can come up with something for me so I don't have to have it all fabbed up @ an exhaust shop.

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  14. Thunder

    Thunder 3/4 ton status

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    Yeah I dont think the Edelbrock will work with a lift. The Y pipe croses right under the front drive line The clearance is ok in my truck but except for the springs it is stock. If you are going to lift it you will need a different Y pipe or duals
    As for the stainless edelbrock headers I bought mine from summit. The sales rep said they were stainless painted black. But the Y pipe is regular 16 guage pipe. The paint burnt off, and the headers looked like stainless to me. They show no signs of rust either. Been running them over a year now.
     
  15. Esteban86K5

    Esteban86K5 1/2 ton status

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    I've got the Edelbrock TES's in my K5. I've only got a 2 1/2 lift and it's pretty close to the driveshaft but I've been wheeling with them and have never had a problem with them.

    <font color=blue>Esteban</font color=blue>

    <font color=red>SEMPER FI TO MY BLAZER
     
  16. purple89jimmy

    purple89jimmy Registered Member

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    Hey Guys and Gals, this is my first post. BTW what an awesome site, whoever started this site deserves some serious props. Anyway I am about midway through my 89 Jimmy build-up. I have an Edelbrock intake on the stock 350, a Hypertech chip, EDELBROCK TES headers, Flowmaster cat back with a hi-flow cat, 6" Procomp suspension, 35 Procomp MT's, running on Ultra 15 x 12's. Oh yeah and it is extremely, extremely purple. Whew. Now then, I just finished lifting mine and the Y-pipe is indeed to close to the driveshaft, and I had to leave mine off for the time being (have to get it lengthened anyway). I guess I will have to take the truck to an exhaust shop and see if they can't fab something, I am just afraid that it will mess up the technical design of the "system" and sacrifice performance of the exhaust.
    Anyway, sorry for the long post but I wanted to introduce myself. See ya'll on the trails. (My profile says Florida but I'm originally from east Texas/southwest Arkansas).

    docpettit4x4@aol.com
     
  17. 2Dogs

    2Dogs 1/2 ton status Premium Member

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    Welcome 89! You will smile your way into this addiction.....
    I don't speak for everyone but performance is not the issue - emissions and visual inspection of the system is the issue.
    In California it is illegal to modify the Y pipe from its stock configuration. If this was not the case I would have duals and
    no problems.
     

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