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The Akrapovic aftermarket Slip-On system is based on the same layout as the original exhaust system of the GT3 with valve control. In comparison to the aftermarket Akrapovic Evolution exhaust system, the Slip-On does not contain an exhaust manifold with a 100 cpsi sports catalyst, but rather only a titanium muffler with two double round tail pipes. The muffler is easily installed on the original exhaust system. Another advantage is that it is homologated for road use.

Performance:

A Porsche 911 GT3/RS (997) that is equipped with an Akrapovic Slip-On exhaust system is more powerful and lighter, even though the exhaust system is not replaced in its entirety. The sound of its six valve engine is also noticeably improved. A look at the numbers reveals that the Slip-On offers a 1.95 kg weight reduction in the rear of the Porsche 911 GT3/RS of and a 3,67 HP and 3,4 Nm increase in power. The reduced weight provides better steerability and the increased power additionally spices up sports driving, because the changes offer better lap times. Two tail pipes, measuring a 100 millimeters in diameter, make it clear that the Akrapovic Slip-On system is no ordinary exhaust.

This Kit Contains:
- titanium end muffler
- titanium tail pipes (*fits on original configuration)

Hard facts:
- plus 3,67 HP (at 7.390 rpm)
- plus 3,4 Nm (at 6.040 rpm)
- minus 1,95 kg


Fits:
Porsche 911 GT3/RS (997) 3.6L / 3.8L / 4.0L 2007>>

For Installation Instructions Click Here

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The Akrapovic Evolution aftermarket exhaust system is based on the same layout as the original exhaust system of the GT3 with valve control. A newly developed exhaust manifold with 100 cpsi sports catalysts guarantees an increase in power and torque, as do the newly developed and optimized pre mufflers. But the real plus of this exhaust system is the weight reduction of 17,05 kg, while it maintains the original layout and functionality of the exhaust caps.

Performance:

The weight distribution of the vehicle is improved considerably, because of that weight reduction in the area behind the engine and the rear axle, which has a positive effect on the handling. The limit range of the vehicle adjusts upwards and so a higher transverse acceleration is possible. The combination of improved power to weight ratio (through an increased efficiency of 12 HP), torque progression by 14,2 Nm, and the positive effects in connection with driving dynamics enhance the performance of the GT3 distinctively. The sound impression in this configuration is somewhat more voluminous and with opened caps way more aggressive than in the original version.

This Kit Contains:
- titanium sports manifold system with integrated 100 cpsi catalysts
- titanium pre mufflers
- titanium link pipes with exhaust valves
- titanium end muffler
- titanium tail pipes

Hard facts:
- plus 12 HP (at 5.510 rpm)
- plus 14,2 Nm (at 5.740 rpm)
- minus 17,05 kg


Fits:
Porsche 911 GT3/RS (997) 3.6L 2007-09
Porsche 911 GT3/RS (997) Face Lift 3.8L / 4.0L 2010>>

For Installation Instructions Click Here

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The Akrapovic aftermarket Evolution Race exhaust system connects titanium headers with integrated 100 cpsi metallic catalysts with the ultra light Sports Cup system without compromise and now represents our maximum power increase at the lowest weight configuration.

Performance:

Because of the achieved weight reduction of 25,86 kg in the most critical area of the Porsche 911, behind the engine and rear axle, the weight distribution of the car is noticeably improved, which also enables better handling. The limit range of the car increased and higher side acceleration is now possible. The performance of the GT3 will clearly be increased by the combination of better power/weight ratio, the increase of power for 16,5 HP and torque for 22,7 Nm and much better handling. Sound characteristics of this configuration are much more aggressive.

This Kit Contains:
- titanium headers with 100 cpsi catalysts
- titanium link pipes
- titanium rear muffler
- titanium tail pipes

Hard facts:
- plus 16,5 HP (at 4.490 rpm)
- plus 22,7 Nm (at 4.128 rpm)
- minus 25,86 kg


Fits:
Porsche 911 GT3/RS (997) 3.6L 2007-09
Porsche 911 GT3/RS (997) Face Lift 3.8L / 4.0L 2010>>

For Installation Instructions Click Here

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The Akrapovic aftermarket Sports Cup exhaust system is based on the Porsche Sports Cup rules, which means retaining the original exhaust manifold with integrated catalysts. We therefore developed a performance and weight optimized titanium end muffler with appropriate link pipes as the connecting piece to the manifold. This kind of construction reduces the weight by almost 21 kg in comparison to the original exhaust system.

Performance:

The weight distribution of the vehicle is improved considerably, because of the weight reduction in the area behind the engine and the rear axle, which has a extremely positive effect on the handling. The limit range of the vehicle adjusts upwards and so a higher transverse acceleration is possible. The combination of improved power to weight ratio (through an increased efficiency of over 8 HP), torque progression by over 16 Nm, and the positive effects in connection with driving dynamics enhance the performance of the GT3 distinctively. The sound in this configuration is somewhat below the sound of the original system with the opened exhaust cap.

This Kit Contains:
- titanium link pipes
- titanium end muffler
- titanium tail pipes

Hard facts:
- plus 8,4 HP (at 3.970 rpm)
- plus 16,1 Nm (at 4.060 rpm)
- minus 20,92 kg


Fits:
Porsche 911 GT3/RS (997) 3.6L / 3.8L 2007-09
Porsche 911 GT3/RS (997) Face Lift 4.0L 2010>>

For Installation Instructions Click Here

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The Akrapovič Slip-On Race aftermarket exhaust system is based on the same layout as the original GT3 exhaust system with valve control. The system guarantees an increase in power and torque. The real plus of this exhaust system is the weight reduction of 11.3 kg while maintaining the original layout and functionality of the exhaust caps.

Performance

The vehicle’s weight distribution is improved considerably, with most of the weight reduction in the area behind the engine and the rear axle, which has a positive effect on the handling. The limit range of the vehicle adjusts upwards and so a higher transverse acceleration is possible.
The combination of the improved power-to-weight ratio, torque progression, and the positive effects on driving dynamics distinctively enhance the GT3’s performance. The sound impression in this configuration is more voluminous and, with open caps, more aggressive than in the original version. The Slip-On Race system is one of our quietest complete systems and is therefore particularly suitable for use on tracks with noise restrictions.

This Kit Contains:
- Titanium pre mufflers
- Titanium link pipes with exhaust valves
- Titanium end muffler
- Titanium tail pipes

Hard facts:
- 11 kg lighter than stock


Fits:
Porsche 911 GT3/RS (997) 3.6L / 3.8L / 4.0L 2007>>

For Installation Instructions Click Here

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The Porsche 997 GT2. This car exhibits Porsche’s most advanced technology, which is demonstrated in its ceramic composite brakes, maximum engine power with twin turbines and variable turbine geometry, but mainly, in its uncompromising lightweight components. The 997 GT2 is the first Porsche and also the first serial production car to be originally equipped with a titanium exhaust system.

Performance:

Because of comfort, durability and strict noise requirements regarding the exhaust system, some compromise had to be made. This was reason enough for us to develop a real “sports exhaust version” for this supercar. Our requirements were very simple: a lighter, more powerful and better sounding exhaust system. Two hiflow 100 cpsi metallic cats, larger tube diameters, measuring not 55, but 60 mm and reduced the power-consuming backpressure. This resulted in a power increase of 37,7 HP, a torque increase of 67,8 Nm and weight savings of 1,58 kg, compared to the stock system.

This Kit Contains:
- titanium link pipes with integrated 100 cpsi catalysts
- titanium central muffler
- titanium tail pipes

Hard facts (100 cpsi cat version):
- plus 37,7 HP (at 3.940 rpm)
- plus 67,8 Nm (at 3.900 rpm)
- minus 1,58 kg


Fits:
Porsche 911 GT2/RS (997) 2007-10

For Installation Instructions Click Here

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The Porsche 997 GT2. This car exhibits Porsche’s most advanced technology, which is demonstrated in its ceramic composite brakes, maximum engine power with twin turbines and variable turbine geometry, but mainly, in its uncompromising lightweight components. The 997 GT2 is the first Porsche and also the first serial production car to be originally equipped with a titanium exhaust system.

Performance:

Because of comfort, durability and strict noise requirements regarding the exhaust system, some kind of compromise had to be made. This was reason enough for us to develop a real “sport-exhaust version” for this supercar. Our requirements were very simple: a lighter, more powerful and better sounding exhaust system. Two hiflow 100 cpsi metallic cats, larger tube diameters, measuring not 55, but 60 mm and reduced the power-consuming backpressure. This resulted in a power increase of 40,7 HP, a torque increase of 73,6 Nm and weight savings of 5,4 kg, compared to the stock system.

This Kit Contains:
- titanium header set
- titanium link pipes with integrated 100 cpsi catalysts
- titanium central muffler
- titanium tail pipes

Hard facts (100 cpsi cat version):
- plus 40,7 HP (at 4.080 rpm)
- plus 73,6 Nm (at 4.020 rpm)
- minus 5,4 kg


Fits:
Porsche 911 GT2/RS (997) 2007-10

For Installation Instructions Click Here

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In addition to providing Porsche AG with a titanium exhaust system for the GT2, we also developed the Evolution aftermarket exhaust system for the Turbo, which is made of titanium. We achieved an increase in power, torque and reduction of weight by 10,55 kg, because of new 400 or 100 cpsi (customer’s choice) hi-flow metal catalysts and the capacity-optimized layout of the mufflers.

Performance:

Two turbo chargers, two air intercoolers considerably increase the weight of the Porsche 997 Turbo engine in comparison to the atmospheric model. The lighter exhaust system unburdens the rear end and centralizes the weight in a more balanced manner. The limit range of the vehicle adjusts upwards and so a higher transverse acceleration is possible.

The combination of improved power to weight ratio (through an increased efficiency of 20,7 HP), torque progression by 34,5 Nm, and the positive effects in connection with driving dynamics enhance the performance of the Turbo distinctively. Furthermore, we thought it important to improve the sound. The turbines of the Turbo strongly absorb the sound of the engine, but we were able could compensate for it. We were able to add the otherwise quiet Turbo a sonorous and aggressive sound impression without disadvantages in the daily use.

This Kit Contains (400 cpsi homologated):
- titanium link pipes with integrated 400 or 100 cpsi catalysts
- titanium end muffler
- titanium tail pipes

Hard facts (100 cpsi cat version):
- plus 20,7 HP (at 6.170 rpm)
- plus 34,5 Nm (at 3.990 rpm)
- minus 10,55 kg

Hard facts (400 cpsi cat version):
- plus 18,8 HP (at 6.070 rpm)
- plus 28,7 Nm (at 3.950 rpm)
- minus 10,55 kg


Fits:
Porsche 911 Turbo (997) 2006-09

For Installation Instructions Click Here

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In addition to providing Porsche AG with a titanium exhaust system for the GT2, we also developed the aftermarket Evolution complete exhaust system for the Turbo, which is made of titanium. We achieved an increase in power, torque and reduction of weight by 14 kg, because of the complete new manifold system, new 400 or 100 cpsi (customer’s choice) hi-flow metal catalysts and the capacity-optimized layout of the mufflers.

Performance:

Two turbo chargers, two air intercoolers considerably increase the weight of the Porsche 997 Turbo engine in comparison to the atmospheric model. The lighter exhaust system unburdens the rear end and centralizes the weight in a more balanced manner. The limit range of the vehicle adjusts upwards and so a higher transverse acceleration is possible. The combination of improved power to weight ratio (through an increased efficiency of 30,6 HP), torque progression by 38,3 Nm, and the positive effects in connection with driving dynamics enhance the performance of the Turbo distinctively. Furthermore, we thought it important to improve the sound. The turbines of the Turbo strongly absorb the sound of the engine, but we were able could compensate for it. We were able to add the otherwise quiet Turbo a sonorous and aggressive sound impression without disadvantages in the daily use.

This Kit Contains (400 cpsi homologated):
- titanium header set
- titanium link pipes with integrated 400 or 100 cpsi catalysts
- titanium end muffler
- titanium tail pipes

Hard facts (100 cpsi cat version):
- plus 30,6 HP (at 5.970 rpm)
- plus 38,3 Nm (at 3.990 rpm)
- minus 14,11 kg

Hard facts (400 cpsi cat version):
- plus 24,1 HP (at 6.030 rpm)
- plus 36,6 Nm (at 3.740 rpm)
- minus 14,11 kg


Fits:
Porsche 911 Turbo (997) 2006-09

For Installation Instructions Click Here