Product Description
The SOUL Center Muffler Bypass Exhaust is designed for Porsche 997 and 997.2 GT3 / GT3 RS owners looking for a substantial increase in naturally aspirated flat-six sound without eliminating the factory side mufflers or exhaust-valve functionality.
By replacing the factory center muffler with a lightweight, free-flowing stainless steel assembly, the system allows more of the GT3's high-RPM exhaust character to come through while retaining the factory valved side mufflers. The factory Sport Exhaust button continues to control the side-muffler valves, giving the driver meaningful control over exhaust volume.
With the valves closed, the factory side mufflers continue to provide a more restrained exhaust character suitable for street driving and highway use. Open the valves and the Center Muffler Bypass delivers a significantly more aggressive flat-six wail, particularly as the engine approaches the upper end of the rev range.
The system also removes approximately 11 lbs from the rear of the vehicle, making it a straightforward way to improve both sound and weight without moving to a complete header or competition exhaust system.
FITMENT:
Fits 2006–2011 Porsche 997 / 997.2 GT3
Fits 2006–2011 Porsche 997 / 997.2 GT3 RS
Compatible with both 997.1 and 997.2 GT3 generations
Compatible with the naturally aspirated 3.6L and 3.8L GT3 flat-six engines, depending on model year
Retains the factory valved side mufflers
Retains factory exhaust-valve operation through the Porsche Sport Exhaust control
Direct bolt-on replacement for the factory center muffler
Does not require permanent modification to the vehicle
DETAILS:
Replaces the factory center muffler with a lightweight free-flowing bypass assembly
Removes approximately 11 lbs / 5 kg from the rear of the vehicle
Retains the factory side mufflers
Retains the factory exhaust valves
Factory Sport Exhaust control remains functional
Provides a significant increase in naturally aspirated flat-six sound with the valves open
Maintains greater street refinement with the valves closed
Particularly emphasizes the GT3's high-RPM exhaust wail
Can be used as a standalone exhaust upgrade
Can be paired with upgraded headers for a substantially more aggressive track-oriented configuration
Constructed from mandrel-bent T304L stainless steel tubing
Includes new mounting brackets and installation hardware
Includes AccuSeal clamps for the connections to the factory side mufflers
Direct bolt-on installation
Each exhaust is fixture-tested to verify proper fitment
Foam-packed prior to shipment to help protect the system and exhaust tips
Backed by SOUL Performance Products' Lifetime Warranty for both street and track use
FACTORY VALVE FUNCTIONALITY:
One of the biggest advantages of the Center Muffler Bypass is that it changes the sound of the GT3 without eliminating the factory side mufflers.
The original exhaust valves remain operational, allowing the factory Sport Exhaust system to continue changing the exhaust path.
Valves Closed:
The side mufflers remain involved in controlling the exhaust note, providing a more restrained character for cruising and street driving.
Valves Open:
The freer-flowing center section allows substantially more flat-six sound through, producing a much more aggressive GT3 exhaust note and emphasizing the engine's high-RPM character.
This makes the Center Muffler Bypass a strong option for owners who want significantly more sound without permanently committing the car to the volume level of a complete muffler-delete system.
SOUND CHARACTER:
The Center Muffler Bypass increases overall volume while preserving the distinctive character of the naturally aspirated GT3 engine.
Expect:
Greater flat-six presence throughout the RPM range
Significantly stronger high-RPM wail
More mechanical exhaust character
Much greater intensity with the factory valves open
A more restrained exhaust note with the valves closed
With factory headers retained, the system provides a noticeable increase in sound without transforming the GT3 into an uncompromising track exhaust.
Paired with upgraded headers, the Center Muffler Bypass becomes considerably more aggressive and moves much closer to a full motorsport-style exhaust character.
CENTER MUFFLER BYPASS VS. SIDE MUFFLER BYPASS:
The Center Muffler Bypass Exhaust removes the center muffler while retaining the factory valved side mufflers. This preserves factory exhaust-valve functionality and provides a useful difference between the valves-open and valves-closed sound levels.
The Side Muffler Bypass Pipes remove the much heavier factory side mufflers, providing substantially greater weight reduction and a different exhaust character.
For owners primarily looking for more sound while retaining factory valve control, the Center Muffler Bypass is the more straightforward upgrade.
For owners prioritizing maximum weight reduction and a more aggressive exhaust configuration, the Side Muffler Bypass Pipes provide another option.
TIP OPTIONS:
DasMotoring offers all six current SOUL exhaust-tip configurations for this system.
3.5" Double Wall – Black
A substantial double-wall outlet with a dark Black finish. This configuration provides the lowest current price for the system.
3.5" Double Wall – Gunmetal
The same 3.5-inch double-wall design with a lighter Gunmetal finish.
3.5" Slash-Cut Single Wall – Signature Satin
A motorsport-inspired slash-cut single-wall tip finished in SOUL's Signature Satin stainless finish.
3.5" Slash-Cut Single Wall – Brushed
The same slash-cut geometry with a hand-finished Brushed stainless appearance.
3.5" Straight-Cut Single Wall – Signature Satin
A clean straight-cut motorsport design with SOUL's Signature Satin finish.
3.5" Straight-Cut Single Wall – Brushed
Straight-cut single-wall construction with a Brushed stainless finish.
SOUL recommends its 3.5-inch tips for 997 GT3 applications, providing an aggressive appearance while fitting naturally within the factory rear valance.
Product Description
The SOUL Center Muffler Bypass Exhaust is designed for Porsche 997 and 997.2 GT3 / GT3 RS owners looking for a substantial increase in naturally aspirated flat-six sound without eliminating the factory side mufflers or exhaust-valve functionality.
By replacing the factory center muffler with a lightweight, free-flowing stainless steel assembly, the system allows more of the GT3's high-RPM exhaust character to come through while retaining the factory valved side mufflers. The factory Sport Exhaust button continues to control the side-muffler valves, giving the driver meaningful control over exhaust volume.
With the valves closed, the factory side mufflers continue to provide a more restrained exhaust character suitable for street driving and highway use. Open the valves and the Center Muffler Bypass delivers a significantly more aggressive flat-six wail, particularly as the engine approaches the upper end of the rev range.
The system also removes approximately 11 lbs from the rear of the vehicle, making it a straightforward way to improve both sound and weight without moving to a complete header or competition exhaust system.
FITMENT:
Fits 2006–2011 Porsche 997 / 997.2 GT3
Fits 2006–2011 Porsche 997 / 997.2 GT3 RS
Compatible with both 997.1 and 997.2 GT3 generations
Compatible with the naturally aspirated 3.6L and 3.8L GT3 flat-six engines, depending on model year
Retains the factory valved side mufflers
Retains factory exhaust-valve operation through the Porsche Sport Exhaust control
Direct bolt-on replacement for the factory center muffler
Does not require permanent modification to the vehicle
DETAILS:
Replaces the factory center muffler with a lightweight free-flowing bypass assembly
Removes approximately 11 lbs / 5 kg from the rear of the vehicle
Retains the factory side mufflers
Retains the factory exhaust valves
Factory Sport Exhaust control remains functional
Provides a significant increase in naturally aspirated flat-six sound with the valves open
Maintains greater street refinement with the valves closed
Particularly emphasizes the GT3's high-RPM exhaust wail
Can be used as a standalone exhaust upgrade
Can be paired with upgraded headers for a substantially more aggressive track-oriented configuration
Constructed from mandrel-bent T304L stainless steel tubing
Includes new mounting brackets and installation hardware
Includes AccuSeal clamps for the connections to the factory side mufflers
Direct bolt-on installation
Each exhaust is fixture-tested to verify proper fitment
Foam-packed prior to shipment to help protect the system and exhaust tips
Backed by SOUL Performance Products' Lifetime Warranty for both street and track use
FACTORY VALVE FUNCTIONALITY:
One of the biggest advantages of the Center Muffler Bypass is that it changes the sound of the GT3 without eliminating the factory side mufflers.
The original exhaust valves remain operational, allowing the factory Sport Exhaust system to continue changing the exhaust path.
Valves Closed:
The side mufflers remain involved in controlling the exhaust note, providing a more restrained character for cruising and street driving.
Valves Open:
The freer-flowing center section allows substantially more flat-six sound through, producing a much more aggressive GT3 exhaust note and emphasizing the engine's high-RPM character.
This makes the Center Muffler Bypass a strong option for owners who want significantly more sound without permanently committing the car to the volume level of a complete muffler-delete system.
SOUND CHARACTER:
The Center Muffler Bypass increases overall volume while preserving the distinctive character of the naturally aspirated GT3 engine.
Expect:
Greater flat-six presence throughout the RPM range
Significantly stronger high-RPM wail
More mechanical exhaust character
Much greater intensity with the factory valves open
A more restrained exhaust note with the valves closed
With factory headers retained, the system provides a noticeable increase in sound without transforming the GT3 into an uncompromising track exhaust.
Paired with upgraded headers, the Center Muffler Bypass becomes considerably more aggressive and moves much closer to a full motorsport-style exhaust character.
CENTER MUFFLER BYPASS VS. SIDE MUFFLER BYPASS:
The Center Muffler Bypass Exhaust removes the center muffler while retaining the factory valved side mufflers. This preserves factory exhaust-valve functionality and provides a useful difference between the valves-open and valves-closed sound levels.
The Side Muffler Bypass Pipes remove the much heavier factory side mufflers, providing substantially greater weight reduction and a different exhaust character.
For owners primarily looking for more sound while retaining factory valve control, the Center Muffler Bypass is the more straightforward upgrade.
For owners prioritizing maximum weight reduction and a more aggressive exhaust configuration, the Side Muffler Bypass Pipes provide another option.
TIP OPTIONS:
DasMotoring offers all six current SOUL exhaust-tip configurations for this system.
3.5" Double Wall – Black
A substantial double-wall outlet with a dark Black finish. This configuration provides the lowest current price for the system.
3.5" Double Wall – Gunmetal
The same 3.5-inch double-wall design with a lighter Gunmetal finish.
3.5" Slash-Cut Single Wall – Signature Satin
A motorsport-inspired slash-cut single-wall tip finished in SOUL's Signature Satin stainless finish.
3.5" Slash-Cut Single Wall – Brushed
The same slash-cut geometry with a hand-finished Brushed stainless appearance.
3.5" Straight-Cut Single Wall – Signature Satin
A clean straight-cut motorsport design with SOUL's Signature Satin finish.
3.5" Straight-Cut Single Wall – Brushed
Straight-cut single-wall construction with a Brushed stainless finish.
SOUL recommends its 3.5-inch tips for 997 GT3 applications, providing an aggressive appearance while fitting naturally within the factory rear valance.
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