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Flowmaster American Thunder Header-Back Exhaust System 1968-1972 GM A-Body

389-17200

made in usa

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American Thunder Header-Back Exhaust System 1968-1972 GM A-Body
$857.95
$772.16
SAVE $85.79
Oversize Fee:$9.99
1 left in stock
American Thunder Header-Back Exhaust System
  • 1968-1972 GM A-Body
  • 3" Tubing
  • Tips Not Included
  • Dual Rear Exit
  • Super 40 Series Muffler
  • Aluminized Steel
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    17200 is rated 3.0 out of 5 by 1.
    Rated 3 out of 5 by from Close but No cigar! I opened the box and was excited to get all the parts out and get them on my 69 Chevelle. What I found out right away was, that 2 of the included Exhaust Hanger brackets had the wrong size round bar material welded in place to work with the supplied rubber hangers. Being a Fabricator I cut off the wrong material and rewelded the correct material to make it work. Then hanging the mufflers and piping in under the car, I found that a few pipe bend angles were off enough to not line up with the Header Collector adapters and give a parallel line of alignment to the exhaust pipes and have the mufflers parallel to the drive shaft. I had to cut and reweld several pieces of pipe to make it work. Not having the car on a lift has made this a trying experience as I do have it on 5 ton jackstands that have it roughly 2 feet in the air. I'm still excited to get it finished so that I can hear what it's going to sound like.
    Date published: 2022-10-02
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