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Sport Cat with Downpipe
Fabspeed's Sport Cat with Downpipe for the 718 Boxster and Cayman (Base/S 2017+, GTS 2017-2020) is a direct bolt-on replacement for the factory catalytic converter and downpipe, built from mandrel-bent T304L stainless 3-inch tubing splitting to dual 2-inch pipes. It uses the largest German-made HJS 200-cell EURO 6 certified trimetallic catalyst that fits the 718, giving more surface area for cleaner scrubbing without a check engine light. Expect a fuller boxer rumble with no drone and more pops and gurgles in Sport mode, plus a slight increase in turbo sound that can be pushed further with Fabspeed's Maxflo exhaust. Fabspeed estimates 20whp on its own, with more available paired with a Fabspeed ECU tune.
Frequently asked
Which cars does the Sport Cat with Downpipe fit?
Fits your 718 Boxster. Fabspeed lists this piece for: Porsche 718 Boxster/Cayman Base/S Models 2017+ and GTS Models 2017-2020 Worldwide. Exact fitment for your year, trim and options is confirmed on your free consult before anything is ordered.
What does the price include?
The delivered price includes the part from Fabspeed USA, freight to Australia, import costs and GST. Enter your postcode to refine delivery; the final figure is confirmed on consult.
How long until it arrives?
Every Fabspeed part is made in-house at Fabspeed USA with about a one-week production lead time, then allow another 3-4 days for delivery to Australia via UPS. That freight is already included in the price.
Will this trigger a check engine light?
No, Fabspeed says this catalyst is optimized for no catalyst-generated check engine light.
How much power does it add?
Fabspeed estimates around 20whp, with more available when paired with a Fabspeed ECU tune.
What makes this catalyst different from a cat bypass pipe?
It uses the largest HJS EURO 6 certified trimetallic catalyst that fits the 718, so it keeps emissions scrubbing and street legality that a full cat bypass pipe doesn't offer.
Does it cause any drone?
No, Fabspeed says there's no droning, with more pops and gurgles showing up in Sport mode.
Who installs it?
Rennen Motorsport in Adelaide, or an authorised dealer near you. Fitting it yourself may also be an option depending on the part, so raise it on your consult; professional installation is quoted separately.
Is it covered by warranty?
Fabspeed products carry the manufacturer's warranty, supported locally through Rennen Plus as the Australian principal. See our returns policy.
Can I just buy this outright, or do I need to talk to someone first?
Every enquiry, whether it's one part or a full build, starts with a free consult. We confirm the exact spec for your car before anything is quoted or ordered.
