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Valved Center Muffler Bypass X-Pipe (Non-PSE Only)
Fabspeed's valved exhaust design: valves open for full flow and an aggressive note, closed for a tone smoother than stock. center muffler bypass A crossover pipe joining the two exhaust banks into an X shape, smoothing flow for a fuller, balanced tone. for the Porsche 991.2 Carrera 3.0L twin-turbo (2017-2019) without factory Porsche Sport Exhaust: the factory valved exhaust with a driver-selectable loud and quiet mode.. TIG-welded from polished T304L stainless steel and fitted with Helical UK vacuum-actuated valves, the same valves used on Porsche, Ferrari, McLaren, Lamborghini and Aston Martin systems, it saves 4.5 kg over the factory center muffler and bolts to the factory catalytic converters as a cat-back unit. Valves open give an aggressive, throaty note; closed, a milder tone than stock. Includes Deluxe Dual Style Tips in carbon fiber, polished, satin black or single-wall brushed finish.
Frequently asked
Does the Valved Center Muffler Bypass X-Pipe (Non-PSE Only) fit my 911 Carrera?
This listing is specific to the Porsche 911 Carrera (991.2). 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.
Does this replace the catalytic converters?
No, Fabspeed describes it as a cat-back system that bolts onto your OEM Porsche catalytic converters, so it has no effect on your factory catalytic converters.
What's the sound like with the valves open versus closed?
Fabspeed describes two distinct tones depending on valve position, ranging from mild to very aggressive and throaty.
How much power does it add?
Fabspeed's testing showed gains of 17 whp and 31 Nm of torque.
What valves does it use?
Helical UK vacuum-actuated exhaust valves, the same imported valves Fabspeed says are used by Porsche, Ferrari, McLaren, Lamborghini, and Aston Martin.
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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991.2 Carrera Valved Center Muffler Bypass X-Pipe (Non-PSE Only)
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