Civic Si (06-11) 3" Catback Exhaust

Item # 300331



  • Short video of our 3" Catback Exhaust for the 07+ Honda Civic Si Sedan. Note that this was installed on a naturally aspirated setup (stock header and catalytic converter)
  • Features:

    • 304 stainless steel piping
    • 3/8" thick machined flanges
    • High-flow performance muffler with straight through design
    • 3.5" or 4" muffler tip (see below for choices)
    • TIG welded to perfection
    • Bolts directly to OEM catalytic converter location
    • Midpipe available with or without Resonator
    • Available for Coupe and Sedan
  • Volume Control Options:

    Standard Midpipe no charge
    • Straight, and to the point.

    Resonator added to Midpipe +$100 USD

    • Smooths the tone of the exhaust, and aids in the removal of in-cabin resonance which can occur in some vehicles.

    Note: Our catback exhausts are first and foremost, performance exhausts. While these volume control options do help reduce some volume, it should be noted that the exhaust will still have an aggressive tone and will likely never be mistaken for an OEM exhaust.

    Muffler Tip Options:

    • 3.5" Rolled Tip no charge
    • 4" Single Wall Polished Tip no charge
    • 4" Rolled Polished Tip no charge
    • 4" Titanium Tip +$75 USD

    Gasket Set +$180 USD

    • Installation gaskets


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