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1 or 2 cutouts

This is a discussion on 1 or 2 cutouts within the Forced Induction forums, part of the LSx Technical Help Section category; Just like it said! Should I use 1 or 2 cutouts on a F1A procharged 402 running 15 to 18 ...

  1. #1
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    Blazer SS

    1 or 2 cutouts

    Just like it said! Should I use 1 or 2 cutouts on a F1A procharged 402 running 15 to 18 lbs of boost.

    I was thinking 1 just after the y pipe or 2 after the headers

    ANY THOUGHTS!

  2. #2
    Member brendan.9's Avatar
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    2 after the headers makes more sense to me.

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    Senior Member 98maro's Avatar
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    when i got mine, i wanted to do 2 before the y pipe.. but i had no budget for a second cutout so i went for one on the I pipe, if u have the budget i would go for two.. but one is loud enough.
    00 ss blk m6 " STOCK" strano springs, slp bilstein shocks, adj LCA, adj panhard bar, relocation brackets, 2 point SFCs welded,OEM zo6 rims black, magnaflow exhaust, CME exhaust,E/cutout, slp grille, custom front plate mount, HIDs, whistler mod, side moldings delete, slp air lid, ported and polished TB, strut tower brace, 3.73s gears, and some other parts to list!
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  4. #4
    Moderator Firebirdjones's Avatar
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    I prefer to use 2 after the headers.

  5. #5
    Junior Member hippiespace's Avatar
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    I think with 2 there's to much back pressure loss. You will notice a loss in torque at lower RPMs

  6. #6
    Moderator Firebirdjones's Avatar
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    I never had that issue. I open them up at the track and generally see a small gain in ET and MPH.

  7. #7
    Junior Member hippiespace's Avatar
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    I think two definitely sounds better. What size did cut outouts did you use?I never really close mine unless I'm going through a nieborhood at odd hours. I love listening to my car accelerate. It's going to get me another ticket someday.

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