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HyperFlow - Down Pipe with Cat - WRX/STi (01-07)

HyperFlow - Down Pipe with Cat - WRX/STi (01-07)

Regular price $949.00 AUD
Regular price Sale price $949.00 AUD
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Hyperflow downpipe with high flow catalytic converter uses a massive cast 304 Stainless Steel Bellmouth that tapers to 3.0 inch piping where it connects to the mid-pipe.

Features Include:

  • Two-piece design:
    • Delete the catalytic converter without having to buy a whole new downpipe (Catless Race Pipe sold separately)
    • Easier installation
    • Cast 304 Stainless Steel Bellmouth upper section for maximum exhaust gas flow
    • 3.5 inch diameter 304 Stainless Steel pipe tapering smoothly to 3.0 inch
    • Spare wideband oxygen sensor bung included
    • Modified pipe path to provide more ground clearance for lowered cars than previous design
    • Hand TIG welded polished to a show quality finish


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