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exhaust cutout

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 86badass, Jan 5, 2002.

  1. 86badass

    86badass Registered Member

    Jan 2, 2002
    Likes Received:
    port huron michigan
    would an exhasut cutout kill my engines performance. i know back pressure is an issue, but i was wondering if anybody had don't it on bassically a stock K-5. i have a new GM crate 350 and new headers.

    i drive:

    1986 Jimmy 4X4
    brown and tan
    new 350 engine
    no rust
    31 inch tires
    re-wired taillights (myself)

    i have bad vibrations!!!!!

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