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Muffler Bypass Pipes
Muffler bypass pipes for the Porsche 997 Carrera (2005-2008), replacing the heavy factory mufflers with straight-through tubes while keeping the stock Porsche tips. Dyno testing showed strong gains across the power band, 21whp and 28.5 Nm of torque, and the system saves 14 kg from the rear of the car for sharper handling. Expect a very loud, aggressive, ripping exhaust note with some interior An unwanted droning resonance at certain highway rpm, where exhaust pulses match the cabin's natural frequency.; for a more subtle, daily-drivable upgrade, Fabspeed's Maxflo or Supercup systems are the better fit. Not compatible with PSE-equipped exhaust tips. Simple DIY bolt-on installation with all hardware included. Either way works: fit it yourself, or let Rennen Motorsport or an authorised dealer handle it.
Frequently asked
Does the Muffler Bypass Pipes fit my 911 Carrera?
This listing is specific to the Porsche 911 Carrera (997.1). 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 loud is this exhaust?
Very loud and aggressive, with some interior drone; Fabspeed recommends its Maxflo or Supercup systems instead if you want a more subtle, daily-drivable sound.
How much power does it add?
Dyno testing showed gains of 21whp and 28.5 Nm of torque across the power band.
Will this fit a PSE-equipped car?
No, it won't fit with PSE-equipped exhaust tips.
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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