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Supercup Turboback Exhaust System
Fabspeed's Supercup Turboback Exhaust for the 718 Boxster and Cayman (Base/S 2017+, GTS 2017-2020) replaces the full system from the turbos back with 3-inch mandrel-bent T304L stainless steel, cutting a substantial 36 lbs (16.4kg) from the STREET configuration with sport cats, or 40 lbs with the RACE cat-bypass. Sport mode brings burbles and backfires on overrun and sharp barks on downshifts, with the free-flowing design finally letting the turbochargers' spool sound through alongside a fuller boxer rumble. Fabspeed's dyno testing with the sport cat configuration showed 10whp and 13 ft-lbs of torque at 4000rpm, with the RACE cat-bypass option adding more; Fabspeed recommends an ECU tune to unlock the system's full potential. Direct bolt-on installation, though it may not clear lowered cars, so check clearance before ordering.
Frequently asked
Which cars does the Supercup Turboback Exhaust System fit?
Fits your 718 Cayman. Fabspeed lists this piece for: all 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.
What's the difference between the STREET and RACE options?
STREET includes Fabspeed's sport catalytic converters and stays closer to emissions compliant, while RACE swaps in a cat-bypass pipe for maximum flow and volume, intended for track and off-road use.
How much weight does this save?
36 lbs (16.4kg) with the sport cat STREET configuration, or 40 lbs (18.1kg) with the RACE cat-bypass.
How much power does it add?
Fabspeed's dyno testing with the sport cat configuration showed 10whp and 13 ft-lbs of torque at 4000rpm; the RACE cat-bypass option adds more.
Will it fit a lowered car?
Not always. Fabspeed notes it may not clear lowered vehicles, so check clearances before ordering.
Which option should I choose?
Choose STREET if you want to keep Fabspeed's sport catalytic converters in place for a cleaner, more emissions-friendly setup; choose RACE for the cat-bypass pipe, which flows more but is for closed track and off-road use only. Tip finish (carbon fiber, polished or brushed stainless, satin black, titanium) is a styling choice only and doesn't affect sound or power.
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.
