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Flowmaster 80 Series 2.5" IN/OUT (Sgl IN/Dual Out)

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  • For Sale : Flowmaster 80 Series 2.5" IN/OUT (Sgl IN/Dual Out)

    Flowmaster 80 Series Muffler
    2.5” IN/OUT
    Single In / Dual Out
    F-Body Type Muffler

    This is a used muffler. I had it on my Grand Prix – yes a F-body style muffler on a W-body. It tucked up nicely between the spare tire well and suspension. This was the best sounding combination I have heard on a LQ1. Simply sounded amazing. However, it was a bit too loud for my condo complex and off it came – went back to a stock exhaust setup.

    It has about ~2000 miles on it and is less than 2 years old. It has never been driven in the winter. It has a few scratches here and there from sitting on a shelf. A lot of life left in this one and no sign of rusting through – it is an aluminized case.

    There are 2 things to note:
    1.) I had welded the inlet pipe to the upstream exhaust. This means I had to cut it off to remove. So the inlet is a bit shorter than a new one – you can see it in the pics. The cut is perfectly round and there is plenty of depth left to either weld new pipe on or slip a pipe in and use a clamp.
    2.) The bottom side of the muffler has a hanger bracket welded to it. It’s not really hurting anything to be there but thought I should mention it. It is visible in the pics. You can cut it off if you like. I’d just leave it.

    $50 takes it + $15 shipping: $65 Total

    Thanks,
    John
    1991 Grand Prix GTP LX9swap/Getrag 284 --- SOLD =(
    1994 Corvette
    LT1/ZF6
    2006 Dodge Dakota 4x4
    3.7/42RLE

  • #2
    I used this type on my Beretta as well... Mounted differently though. But that just adds another body style it will fit. If you need info on how I did it I can get pictures if someone with L-body wants to buy it.

    Good luck with the sale!

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