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Maxflo X-Pipe Exhaust for SSI-Style Headers
Fabspeed's Maxflo X-Pipe exhaust for classic air-cooled 911s (1965-1989) running SSI-style dual 2-bolt flange headers, replacing the restrictive factory "banana" muffler with a modern high-flow X-pipe. It merges the left and right flat-6 cylinder banks through Fabspeed's own crossover design to improve scavenging, power, torque and throttle response, while keeping the mechanical character expected from an air-cooled flat-six. Built from T304 stainless steel with CNC-cut, hand Tungsten Inert Gas welding: a precise, clean weld process well suited to thin stainless exhaust tubing. construction, it's a complete bolt-on kit with all hardware included and dual inlet/outlet routing, lighter than the bulky OEM or aftermarket mufflers it replaces. The second outlet can run a tip or a simple 90-degree turn-down if you'd rather not cut it open.
Frequently asked
Which cars does the Maxflo X-Pipe Exhaust for SSI-Style Headers fit?
Fits your Porsche 911 SC. Fabspeed lists this piece for: Porsche 911 models 1965-1977 and up to 1989 3.2L Carreras equipped with SSI-style dual 2-bolt flange headers. 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.
Which cars does this fit?
Porsche 911 models from 1965-1977 and up to 1989 3.2L Carreras, specifically those with SSI-style dual 2-bolt flange inlet headers.
Do I need to modify anything to install it?
No, it's a complete bolt-on system engineered for OEM-quality fitment, with all required hardware included.
What's the point of the dual outlet?
It lets you run a second right-side exhaust tip for a true dual-outlet look, or leave it as a simple 90-degree turn-down if you don't want to cut the second outlet open.
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.
