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Pypes Performance Exhaust Exhaust Downpipes 1968-1972 Oldsmobile 442

958-DOF10S


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Exhaust Downpipes 1968-1972 Oldsmobile 442
$176.75
3 left in stock
Exhaust Downpipes
  • 1968-1972 Oldsmobile 442
  • 400 and 455 Big Block Oldsmobile Engines
  • Fits Factory 2.250 in. Cast Iron Manifolds
  • 2.500 in. Diameter
  • Pre-Installed 2-Bolt Flanges
  • 16-Guage 409 Stainlees Steel
  • Pair
  • Ships
    QTY
    DOF10S is rated 5.0 out of 5 by 4.
    Rated 5 out of 5 by from Stainless down pipes I bought the pypes down pipes to mate up to my Thornton exhaust manifolds and they worked perfectly. A-1
    Date published: 2023-05-29
    Rated 5 out of 5 by from Downpipes Used these on a 1978 Trans Am after swapping the original manifolds with some Thornton manifolds. Perfect fit for this change up.
    Date published: 2017-04-13
    Rated 5 out of 5 by from Work perfect for my olds 350 I install the PYPES Downpipes on my 1970 Cutlass Supreme about a month ago . They fit perfect . My car/engine (350 small block olds) is all stock . The downpipes have 2 1/4 in flanges and the 350 exhaust manifold on the passenger side has a 2 1/4 in flange . And the driver side 350 exhaust manifold has 2 in flange . But it bolted up gust fine . I have read some reviews that said it did not bolt up to small block olds manifolds . But it worked for me no leaks fit great . If you did have a problem with the driver side manifolds 2 in flange you could gust grind down the flange on the downpipe a little bit . The downpipe flanges are really thick so you could remove enough material to get it to fit . I did not have to grind anything they fit . I have driven the car about a full tank of gas with no problems .
    Date published: 2016-04-05
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    I have stock manifolds on my 67 olds cutlass supreme 330. Its currently a single exgaust...but with a crossover blocking plate , will these fit to attach to a new dual exhaust system?

    Asked by: 67oldsguy
    This is not listed to fit the Cutlass Supreme.
    Answered by: Rusty B
    Date published: 2020-02-22
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