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Do I need two cutouts. Or one?

This is a discussion on Do I need two cutouts. Or one? within the External Engine forums, part of the LSx Technical Help Section category; Yo Guys. I have a stock 2000 WS6 Trans am. I want to put a exhaust cutout on it. Can ...

  1. #1
    Silver2000WS6
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    Do I need two cutouts. Or one?

    Yo Guys. I have a stock 2000 WS6 Trans am. I want to put a exhaust cutout on it. Can you put them before the cats? Or only after. Also is it worth the money for a preformance air box lid?

  2. #2
    Senior Member Redphoenix1998's Avatar
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    1998 Pontiac Trans Am

    I have one cutout right after the Y. I have no cats, cut it would be aft cat. It's a cool mod, and in my car I fould feel a difference, but it's loud as hell. Then again, I have no cats, LT's, H/C so the neighbors complain when I start her up

  3. #3
    Snake Eater
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    would two cut-outs make that much of difference than just one? my cut-out is installed beside the muffler (to the right) is this position correct?
    Last edited by Snake Eater; 09-19-2005 at 11:31 PM.

  4. #4
    Tx_Rice_Hunter
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    I wouldnt put two cutouts that far up on the y-pipe. You'll more than likely lose power with that setup. Before I put headers and an x-pipe on mine I had a cutout welded in right before the y-pipe bends to go over the rear axle, that way it just ran a straight shot down the middle of the car and out of the cutout.

  5. #5
    Senior Member Redphoenix1998's Avatar
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    Red
    1998 Pontiac Trans Am

    Quote Originally Posted by Tx_Rice_Hunter
    I wouldnt put two cutouts that far up on the y-pipe. You'll more than likely lose power with that setup. Before I put headers and an x-pipe on mine I had a cutout welded in right before the y-pipe bends to go over the rear axle, that way it just ran a straight shot down the middle of the car and out of the cutout.
    That's where mine is ran

  6. #6
    old timer blue02Z's Avatar
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    what would two electric cutouts do right after the header collecter. i also need a y pipe, i plan to have the cutouts put in right before the y pipe. what could this set up do for me besides blow my eardrums? thanks

  7. #7
    Feels so good BadBlueBird*'s Avatar
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    two cutouts are overkill, Youll be happy with just 1

  8. #8
    old timer blue02Z's Avatar
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    Navy Blue Metallic
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    thanks man, what are the best headers to go with, what kind of power increase could i see with long tubes and y pipe

  9. #9
    Feels so good BadBlueBird*'s Avatar
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    Quote Originally Posted by blue02Z
    thanks man, what are the best headers to go with, what kind of power increase could i see with long tubes and y pipe
    shop around, if you want LTs for a decent price Id go w/ Pacesetters another route might be MAC mids which are what I have and love. A 20+hp gain is common

  10. #10
    Modding is an Addiction bww3588's Avatar
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    Quote Originally Posted by BadBlueBird*
    two cutouts are overkill, Youll be happy with just 1
    yeah and with one cutout, the y pipe acts like a balance pipe. it helps with scavenging.

  11. #11
    Junior Member OneBadZ's Avatar
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    Two arent worth the money and you'd lose ALOT of ground clearance. One in the I-pipe is good enough. Dont go with qtec cutouts. They are bad for leaking and need to be rebuilt/put back together often. The tiny screws they use will vibrate apart and the elec motor will fall off, has happened to me too many times.
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  12. #12
    used and abused at wot ibanez7's Avatar
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    2001 Camaro Z28 M6

    On a single exhaust system, you only need ONE!! most install the cutout into the I-pipe right under the back seat before the rear axle on the passenger side. Reason being: there is a bump in the floorboard there, allowing room also less chance of fumes getting into the cab.

    I have one and love it, sounds great and its worth about 10rwhp depending on your setup

  13. #13
    Rhino21149
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    I use two electric cutouts, one right after each header collector.

  14. #14
    Modding is an Addiction bww3588's Avatar
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    hows about the Mr. Gasket remote cutouts. i have only seen them in 2 in. any one know if they make them in 3 in for the header collectors or any other place that makes them bigger. cheaper than electric with all the benefits

  15. #15
    Senior Member 02z28ls1's Avatar
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    Quote Originally Posted by Silver2000WS6
    Yo Guys. I have a stock 2000 WS6 Trans am. I want to put a exhaust cutout on it. Can you put them before the cats? Or only after. Also is it worth the money for a preformance air box lid?
    Everybody forgot about the airbox lid question! I bought a MTI clear lid back in 02-gives a 10 h.p. increase and looks cool ,too.Kind of a conversation starter.It cost $150. The Fram Airhog is cheaper than the others-looks like a good filter to me.

  16. #16
    Modding is an Addiction bww3588's Avatar
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    Quote Originally Posted by 02z28ls1
    Everybody forgot about the airbox lid question! I bought a MTI clear lid back in 02-gives a 10 h.p. increase and looks cool ,too.Kind of a conversation starter.It cost $150. The Fram Airhog is cheaper than the others-looks like a good filter to me.
    to me the clear lid looks ricey. i think an SLP lid looks more "F-Body".

  17. #17
    Silver2000WS6
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    Thanks for the info. I took the WS6 to Atco Dragway here in N.J. Its all stock. Ran a 13.6 @ 102 MPH.

  18. #18
    Awaiting Activation Liquifire's Avatar
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    Quote Originally Posted by Silver2000WS6
    Thanks for the info. I took the WS6 to Atco Dragway here in N.J. Its all stock. Ran a 13.6 @ 102 MPH.
    this is pretty indicative of an average run .....some run a tenth or two quicker but the mph is right on........

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