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Cup billet aluminum High Performance Airbox coverlid
Billet aluminum airbox cover for the Porsche 964 Carrera, C2, C4, RS America, Euro RS and Speedster (1989-1994), CNC-machined from T6061 aluminum and gold anodized to match the era's zinc-plated hardware. Modeled on the factory Porsche Cup Cars' airbox lid, it's a direct bolt-on replacement for the restrictive OEM cover and works with factory paper filters, K&N or BMC upgrades. Increases airflow to the 3.6-3.8-litre flat-six for a fuller induction note, with measured gains of 11.2hp and 12 Nm of torque.
Frequently asked
Does the Cup billet aluminum High Performance Airbox coverlid fit my 911 Carrera?
This listing is specific to the Porsche 911 Carrera (964). 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 it change the engine sound?
Yes, Fabspeed says it lets more of the flat six's induction note reach the cabin, increasing the induction sound compared to the stock, muffled airbox.
How much power does it add?
Fabspeed's dyno testing shows a gain of about 11.2 hp and 12 Nm of torque.
Is it easy to remove if I want to go back to stock for a concours event?
Yes, Fabspeed says installation is a simple 5-minute bolt-on job that's quickly and easily reversible for concours events.
Does it work with my air filter?
Yes, it's compatible with OEM Porsche paper filters, K&N aftermarket filters, and the BMC air filter upgrade.
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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