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    1. SLP Exhaust System, Loud Mouth II 2004 GTO
    2. Superchips Flashpaq Tuner for 1999-2006 ONLY Corvette
    3. ARH LongTube 1-7/8 304-SS Headers w/ Connection Pipes and Catalytic Converters - GTO 2004-06
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      > Home > GTO > Exhaust > SLP 31061 - SLP Exhaust System, Loud Mouth II 2004 GTO

    SLP 31061, SLP Exhaust System, Loud Mouth II 2004 GTO


    SLP Exhaust System, Loud Mouth II 2004 GTO(actual products may differ)
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    Usually Ships within 0 - 48 hrs
    LMP Part #: 004644
    Manufacturer #: 31061
    Price: $649.95
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    SLP Exhaust System, Loud Mouth II 2004 GTO.

    SLP’s new GTO PowerFlo exhaust system employs an integral X-pipe crossover and dual low-restriction mufflers to provide superior flow and performance, while minimizing interior resonance. Expect a smoother, mellower tone than that of our Loud Mouth system, along with a subtly aggressive edge under hard acceleration. Like all SLP exhaust systems, the GTO PowerFlo is hand-built from 100 percent stainless steel and carries a limited lifetime warranty.

    NOTE: Contents may vary slightly from photo.

    Features

    • Constructed entirely from mandrel-bent stainless steel (2.5 OD)
    • Equipped with an integral X-pipe crossover for optimum performance and sound quality
    • High-luster PowerFlo mufflers combine great looks; superior flow; and a deep, muscular tone
    • Exclusive modular design allows easy interchangeability between mufflers and SLP race resonators
    • Features two hand-polished, double-wall tips
    • Designed to OEM standards of fit and durability
    • Covered by our limited lifetime warranty

    Applications:

    • 2004 - 2004 Pontiac GTO



    SLP Exhaust Type Descriptions/Definitions/Details: (use as a guide to the exhaust system on this page for details about the muffler type.)
    Model Type Sound Characteristics* Noise Level*
    Bullet-Type
    Open Resonator

    (or muffler delete)
    Extremely aggressive; powerful high- and
    mid-range tones with moderate resonance
    Muffling, Bullet-
    Type Resonator
    Similar to original Loud Mouth, but with
    a throatier tone and reduced resonance
    Straight-Through
    "Traditional"
    Muffler
    Deep, rich, and mellow; minimal resonance
    * Volume and sound quality will vary based on engine and exhaust-system specifications. Loudmouth also refers to some systems without any resonators such as the 2010 Camaro Loud Mouth and the 2005 Mustang Loud Mouth Axle backs where the mufflers are removed altogether. Images below are representations in order to better understand the differences.





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