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Sport Headers
Sport Headers for the Porsche 981 Cayman GT4 and Boxster Spyder (2015-2016), replacing the factory manifolds with headers built around German-imported Fabspeed's German catalytic converter supplier; HJS cores flow close to a straight pipe while still scrubbing emissions. 200-cell catalytic converters. Equal-length T304 stainless steel tubing is CNC Bent over an internal mandrel so the tube keeps a constant diameter through the bend, unlike crush-bending. for even engine pulses, adding 28 hp and 41 ft-lb of torque at 3600 rpm while keeping the car emissions compliant with no catalyst-related check engine light. The headers also open up the flat-six's volume and tone. Direct bolt-on replacement for the OEM headers, includes a multi-layer exhaust manifold gasket. After the first heat cycle, retorque all exhaust bolts to factory spec.
Frequently asked
Which cars does the Sport Headers fit?
Fits your 981 Cayman GT4. Fabspeed lists this piece for: all Porsche 981 Cayman GT4 / Boxster Spyder vehicles (2015-2016). 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.
How much power do the headers add?
Fabspeed's dyno testing showed gains of 28 hp and 41 ft-lb of torque at 3600 rpm.
Will these trigger a check engine light?
No, the integrated HJS catalytic converters are optimized for no catalyst-related check engine light.
Is there an install step after fitting?
Yes, after the first heat cycle, tighten all exhaust bolts to the OEM torque specs to ensure a proper header seal.
What's included?
A multi-layer exhaust manifold gasket ships with the headers for a direct bolt-on swap.
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.
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