Thread: Noisy exhaust...still!

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  1. #1 Re: Noisy exhaust...still! 
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    Quote Originally Posted by blueguy91 View Post
    SLP's droned like crazy when I had them.



    I had a catless downpipe, a bullet style muffler in the middle for a resonator, and two Borla Pro XS' out back.

    No more drone. Much better setup.
    So, if I replace the SLPs with Borlas, would it be enough you think? I still have stock cat though
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  2. #2 Re: Noisy exhaust...still! 
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    Quote Originally Posted by paulhunde View Post
    So, if I replace the SLPs with Borlas, would it be enough you think? I still have stock cat though
    Most likely; because SLP's suck.

    Before: https://www.youtube.com/watch?v=1AHTsY4TpYo

    After: https://www.youtube.com/watch?v=pbE25ajERSU

    However; the real restriction is the downpipe. Go get a 3" one. That'll help more than anything.
    1999 Chevrolet Silverado K1500 Classic Z71 - Intake/Gibson Exhaust/20% Tint
    2004 Chevrolet Corvette MRM A4 - C5Z Suspension/AFE S2 Intake/TSP Catless LT's/3" ORX/C6 ZR1 Wheels
    Sold WBody's: '98 GT, '98 GTP, '03 GTP, '05 GXP
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