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Dynomax Manifold Dual Kit 1973-87 Chevy PU 4WD 1/2, 3/4 and 1-Ton (exc. Crew Cab)

289-89003

made in usa

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Manifold Dual Kit 1973-87 Chevy PU 4WD 1/2, 3/4 and 1-Ton (exc. Crew Cab)
$175.99
Manifold Dual Kit
  • 1973-87 Chevy PU 4WD 1/2, 3/4 and 1-Ton (exc. Crew Cab)
  • 1973-87 Suburban/Carryall 4WD
  • Small Block 350-400
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    89003 is rated 2.3 out of 5 by 4.
    Rated 4 out of 5 by from Works good Fit together well and was simple to install. Only negative was that several nuts were missing for the clamps
    Date published: 2018-03-26
    Rated 3 out of 5 by from poor clamps The pipes were pretty close to right but I had to bend the right side to keep it away from frame. The mufflers fit loosely on the pipes and the clamps were too light to clamp them without leaks. I ended up welding them and replacing all the 5/16" clamps with quality ⅜" clamps. The instructions were blurred and could not be read. After installation they did sound good and the quality of the pipe and mufflers seems to be good. I would not recommend to anyone without a wire feed welder and welding experience.
    Date published: 2021-06-28
    Rated 1 out of 5 by from Very disappointed with this product from Jegs Passenger side bolted up good driver side a different story had to cut the pipe and get two 45's to miss the transmission support then had to get two 18" pipes to get them to go over the rear and out the sides of the truck clamps strip out before they tighten up had to buy new clamps next time I will find a exhaust shop to install and not waste my time and money
    Date published: 2024-01-19
    Rated 1 out of 5 by from Terrible fitment Head pipes were not bent correctly, had to go to a muffler shop to have re-bent. Instructions, or lack of, were impossible to read the diagram showing placement had bold font so small it blurred together. Flange plates didn't line up, used old ones. Lastly, pipes were all there,but numbers on them were wrong on two pipes. Was hoping for any easy install...Nope
    Date published: 2018-09-17
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    Will this work on my 1984 k20 Chevy pick up with a Manuel transmission 

    Asked by: Scott
    The Dynomax 289-89003 exhaust will fit an '84 K20.
    Answered by: jshook
    Date published: 2023-12-20

    Will this fit a 1974 K5 Blazer 4x4?

    Asked by: Randy
    The Dynomax 289-89003 exhaust kit does not fit a '74 Blazer.
    Answered by: jshook
    Date published: 2022-12-08

    looking for a exhaust system for 1970 Chevy K20, I have stock Manifolds, Will this kit work?

    Asked by: TeamVCT
    This is not designed for your truck, but with some modification you may be able to make it work.
    Answered by: Rusty B
    Date published: 2022-12-08
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