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New Exhaust Finished

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by wayne, May 11, 2001.

  1. wayne

    wayne 3/4 ton status

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    I just finished installing my Catco converter and Flowmaster Force II system. The install was easy enough. It sounds great, mellow at idle but she roars when on the skinny pedal. I would reccomend this system for anybody that is running a converter. The only bad thing is I will have to cut the tail pipe and reroute it when I do the shackel flip and custom rear shock mounts. No big deal because I figured I would have to do it anyway.

    <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>
     
  2. bigblue

    bigblue 1/2 ton status

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    That is good to hear...Have you noticed any power gain? later

    [​IMG]
     
  3. reddog64

    reddog64 1/2 ton status

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    I added dual flowmasters w 2.5 inch piping, no cats and headers.. I gained an easy 20 HP with alot more lowend tourque.... A good flowing muffler like a flowmaster does wonders... and flowmaster doesnt even have the best flow... it's a balance between flow and a good sound... ut I prefer my truck to sound like a truck!!!

    [​IMG]See me at <A target="_blank" HREF=http://www.inhomenetworking.com/78jimmy.htm>http://www.inhomenetworking.com/78jimmy.htm</A>
     
  4. Itali83

    Itali83 1/2 ton status

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    Sweet Wayne, I orderd the same exact system!!!! Even the cat. I'm glad to hear it sounds really good. One question, how did you get your old cat off?? do you have any clamps holding the orig cat on?? MIne dosen't, has no signs of a rusted off clamp and it is not welded on, and it is also not leaking so I'm kinda puzzled. So I was wondering how you got your old cat off. Thanks.
    Ben 87 Jimmy
    <A target="_blank" HREF=http://www.bens87toy.coloradok5.com>http://www.bens87toy.coloradok5.com</A>
     
  5. wayne

    wayne 3/4 ton status

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    Mine had a clamp on the front and one on the back that went into a mounting bracket that holds the exhaust up. I noticed a little more top end power. It also seems to pull a tad harder off the line. The truck has alot of miles so it is really hard to tell if it made a big differance or not. What I did to get the converter off is I dropped the trans mount and split the pipe going into the converter with a grinder. Be careful because you don't want to cut the Y pipe. I cut about 2 inches and it popped loose. I will say that it is the best sounding single exhaust I have ever heard. I think after you have it on you will agree on that. Let me know when you get it done.

    <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. wayne

    wayne 3/4 ton status

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    Ben, that is a nice looking rig you got. Once the exhaust is done it will sound as good as it looks.

    <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>
     
  7. JoeAngelicchio

    JoeAngelicchio 1/2 ton status

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    Hey Wayne good going. Are the pipes and muffler aluminized? And is it mellow or loud when you idle?

    <font color=green>Joe Angelicchio
    86 Jimmy 4+3, 35-&gt;39.5 tires,4spd
    </font color=green>
    [​IMG][​IMG]
     
  8. wayne

    wayne 3/4 ton status

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    The pipes are aluminized and the converter housing is stainless steel. It is mellow at idle but you know what you got when on the skinny pedal.

    <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>
     
  9. Itali83

    Itali83 1/2 ton status

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    Wayne, how hard was it to drop the rear tranny crossmember?? Because I know if I do it, I'll have to cut the cat pipe. But I also have a friend with an exhaust shop so I may just have him do it. I don't know yet. But thanks for the compliment on my truck and I will tell you how I like it when I get it on there finally. It will be shipped out of the factory the 16th of this month. I can't wait!!!!!!!!!!
    Ben 87 Jimmy
    <A target="_blank" HREF=http://www.bens87toy.coloradok5.com>http://www.bens87toy.coloradok5.com</A>
     
  10. 2Dogs

    2Dogs 1/2 ton status Premium Member

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    Wayne,
    Do you have the Y piep that drops under the front of th xfer case? Or have you found a better way to make the Y pipe.
    I hate that frikkin poor design!
    Dave
     
  11. wayne

    wayne 3/4 ton status

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    Mine is in front of the t-case. I will have to have the pipe modified when I do my lift so I don't hit it with the driveshaft when I flex it. I am not sure what I will do to correct it. I might get a friend of mine to make a custom Y-pipe for me.

    <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>
     
  12. wayne

    wayne 3/4 ton status

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    BTW. I got it all from Summit Racing 1-800-230-3030 for $310 shipped to my front door.

    <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>
     
  13. 2Dogs

    2Dogs 1/2 ton status Premium Member

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    Yeah, custom Y pipe for me also!
    I cant even switch to duals with dual cats cuz of extreme emission laws here in Ca.
    Fargin emissions - I never trust air I can't see anyway!
     
  14. CaptCrunch

    CaptCrunch 1/2 ton status

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    Great to hear! Gotta love that flowmaster sound! [​IMG]

    [​IMG]
    1987 Chevy K5 Blazer- 350 TBI
     
  15. Pure Insanity

    Pure Insanity 1/2 ton status

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    last weekend while installing the tranny i put on my 40 series(2 chamber)flowmasters.what a huge difference!!!it now sounds like a truck should!to some its too loud,mostly my neighbors,i say if its too loud your too old.hehe!the "turbo tubes"that came on it were very restrictive.after i cut them off,i looked down their throat to find a blockoff plate w/ a small(11/2in)tube passing thru them.your exhaust is only as big as its smallest point.putting on the 2/12in flomasters really woke up my motor.now if i can just keep a tranny in more than a few days ill be happy!!![​IMG]

    PURE INSANITY
    86 blazer see it at:<A target="_blank" HREF=http://www.zing.com/album/pictures.html?id=4292792569>http://www.zing.com/album/pictures.html?id=4292792569</A>
     

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