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- Porsche 996 TURBO 2000-05
The Fabspeed Muffler Bypass Exhaust System is a high-performance exhaust upgrade designed for the 2000–2005 Porsche 996 Turbo.
Fits:
- Porsche 996 TURBO 2000-05
Developed for drivers looking for maximum exhaust character and reduced restriction, the system replaces the restrictive factory muffler arrangement with a much freer-flowing bypass design. The result is a significantly louder, more aggressive exhaust note together with improved exhaust flow, sharper throttle response and reduced rear-end weight.
Fabspeed offers the system in two configurations. The Race configuration uses catalyst-bypass pipes for maximum flow. Fabspeed notes that emissions-related configurations may be restricted to closed-course or off-road use depending on local legislation, so applicable regulations should be checked before installation.
Manufactured from 14–16 gauge CNC mandrel-bent T304L stainless steel, the system is designed to provide excellent heat resistance, corrosion resistance and long-term durability. Fabspeed also states that the system removes approximately 45 lb (20 kg) from the rear of the vehicle compared with the factory arrangement.
What This Product Does:
The exhaust system carries combustion gases away from the turbochargers and engine. Factory mufflers are designed to control exhaust volume, but they also introduce resistance into the exhaust path.
The Fabspeed Muffler Bypass system removes much of this restriction by providing a more direct exhaust route.
Its key functions and benefits include:
- Reducing exhaust backpressure and restriction
- Improving exhaust gas flow
- Helping the turbocharged engine breathe more freely
- Improving throttle response
- Supporting increased horsepower and torque
- Producing a much louder and more aggressive exhaust note
- Reducing weight at the rear of the vehicle
- Replacing ageing factory exhaust components with stainless-steel alternatives
Fabspeed publishes gains of approximately 37 hp and 42 lb-ft of torque for this system, although actual results can vary depending on vehicle condition, modifications and configuration.
This is one of Fabspeed's more aggressive exhaust options and is particularly suited to owners prioritising performance and exhaust sound rather than factory-level refinement.
Symptoms Of Wear Or Failure:
Porsche 996 Turbo models are now more than two decades old, meaning original exhaust components may have experienced thousands of heat cycles along with moisture, road salt and vibration.
Common signs of exhaust deterioration include:
- Rust or corrosion on exhaust pipes or silencers
- Cracks around welds and joints
- Exhaust leaks
- Blowing, ticking or hissing noises
- Rattling from deteriorated muffler internals
- Loose exhaust components or mounting points
- Increased exhaust noise in unexpected areas
- Exhaust fumes around the rear of the vehicle
- Soot deposits around leaking joints
- Reduced engine performance
- Slower or less responsive turbo performance
- Increased exhaust restriction
- Check Engine Light associated with catalyst efficiency
- Metallic rattling from damaged catalytic converter material
- Sulphur-like or unusual exhaust smells
- Visible damage to exhaust pipework
A deteriorated or internally damaged catalytic converter can also restrict exhaust flow. This may contribute to reduced performance and increased exhaust temperatures.
Why Replacement / Upgrading Matters:
- A leaking, corroded or restricted exhaust system can affect both performance and reliability.
- On a turbocharged engine such as the Porsche 996 Turbo, efficient exhaust flow downstream of the turbochargers is particularly important. Excessive restriction can work against efficient gas evacuation and may negatively affect throttle response and overall performance.
- Exhaust leaks can also produce unwanted noise and allow hot exhaust gases to escape close to surrounding components. Severe corrosion can weaken pipework, joints and mounting points until components become loose or fail completely.
- A damaged or partially blocked catalytic converter can create additional exhaust restriction and potentially increase thermal stress within the exhaust system.
- Replacing deteriorated factory components with the Fabspeed Muffler Bypass system restores a secure exhaust path while substantially reducing restriction and weight. For owners seeking a performance-focused setup, it also provides a much more pronounced turbocharged exhaust sound.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
FSPOR996TRMBE
The product you are viewing cross references to these numbers
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
Replaces the heavy and restrictive factory side mufflers for improved exhaust flow, increased sound and weight savings. Includes valves which maintain the factory sound level adjustment for ultimate combination of performance and comfort.
FEATURES:
• Fits: all Porsche 997 GT3 / GT3RS vehicles 2006-2009
• Replicates aggressive CUP car sound for the street
• 14-16ga T304 Stainless Steel construction
• Simple bolt-on installation
• All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty.
Please note: This is a special-order item manufactured to order. In some cases, please allow 4 – 5 weeks for the delivery. Special order items cannot be cancelled from this supplier once your order has been placed.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
FSPOR997GT3SMB
The product you are viewing cross references to these numbers
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
Superb dual-tone sports car sound; throaty and deep at idle and medium speeds.
FEATURES:
• Fits: all Porsche 997 GT3 / GT3RS vehicles 2006-2009
• Increases horsepower and torque by 11 whp and 8 ft-lbs
• Mini Maxflo are radius stress relieved, hydro-formed cases that are pulse TIG welded using 2000 degree ceramic fiber and stainless steel wool packing.
• Constructed from high quality 14-16 gauge, C.N.C. mandrel bent T304L stainless steel - much stronger than all competitors' systems - Better quality then any tuners and guaranteed finest quality available.
•
Retains Sport Mode button when used with factory side mufflers
• Includes Deluxe Dual Style Tips in your choice of finish
• Simple bolt-on installation
• All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty.
Superb sports car dual tone sound, throaty and deep at idle and medium speeds. It's docile enough for the wife/girlfriend, but strong dramatic sports car sound when you floor it and go up through the gears!
Complies with factory Porsche warranty. Fits all cars worldwide.
Please note: This is a special-order item manufactured to order. In some cases, please allow 4 – 5 weeks for the delivery. Special order items cannot be cancelled from this supplier once your order has been placed.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
FSPOR997GT3CMAX
The product you are viewing cross references to these numbers
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
QuickSilver were approached by a well known specialist in racing and track-day Porsche, to develop a complete SUPERCUP exhaust system for enthusiast customers.
KEY FEATURES:
More Power +20bhp
Less Weight - to lose over 20kgs (~44lbs) from the rear of the car.
Ease of fit & no loss of ground clearance > All in a compact volume.
Great Sound - but to enable compliance with most track-day venues - A tall order!
Motorsports Look.
Appropriate Sound - about 105dB > but reduced further with removable Titanium cans.
An ambitious project, requiring new materials technology, manufacturing methods, component integration and constant testing.
The factory exhaust includes five muffler casings, 2 x Cats, 2 x side mufflers and 1 x rear muffler. QuickSilver's brief was to distil these into 1 x casing & similar to the system produced by Porsche's Motorsport Dept for their international one-make racing series.
Drawing their constant racing experience our partners were able to provide technical input and testing facilities.
Throughout the development period the system was evaluated both at our partner's in-house test facilities and on the track. Each time refinements were included in the overall design to create a fantastic system worthy of the Porsche name.
QuickSilver system includes:
Manifolds with equal-lenght primary pipes of the appropriate bore for optimum power.
Single rear silencer casing housing integral 200 cpsi RACE catalytic converters.
Provision for fitting of OBD2 exhaust sensors measuring the exhaust gas composition before and after the Cats on both cylinder banks.
Brand: QUICK SILVER
Fits:
Porsche 911 (997) 2007-09