20" mufflers in 66 A body?
Helping a friend with new exhuast system in his 66. I am somewhat partial to the DynoMax super turbo and Ultraflow, but leaning towards turbo for this car. Do the 20" case mufflers fit ok under the 66? I used 14" in my old 66, but do not recall how much room I had...
Plan is to install the larger RA iron manifolds, buy a muffler delete exhaust kit from Pypes or flow master (FM offers one with an H pipe), then bring to local shop and have them install.
Or, if anyone can provide good reviews on the Pypes Turbo Muffler, that could simplify sourcing all the parts...
Thank you!
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68 Firebird-- Street/Strip - 400/461 Eagle Forged Bottom End & Ross Flat top pistons. KRE 325 CFM D port, Ultradyne 263/271 @.050, .4267 lift. Crower Solid roller lifters and 1.65 stainless rockers. Quickfuel 1000 on Torker2 intake and 2" open spacer. Hedman 1.75" headers. TH400 w/brake. Ford 9" w/3.80 gears & 28x9 Hoosier pro bracket drag radial. Best ET: 1.35 60ft, 6.29 @ 107.20 mph, 9.99 @132.33 mph. 3,300 race weight
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