Secondary Exhaust Muffler Bypass DesignTek for Porsche 991 S 3.8L - 3606009913
3606009913
Vehicle Group
- Porsche 991 Carrera C2S 3.8L (400Bhp)
- Porsche 991 Carrera C4S 3.8L (400Bhp)
Information
DesignTek Secondary Exhaust Muffler Bypass for Porsche 991 S 3.8L
Fits:
Porsche 991 Carrera S 3.8L
These simple U/J pipes remove the mufflers that are tucked up in the rear quarter panels. Why the reason for these I do not know. Typically in the past we either see a main centre muffler or 2 mufflers with catalyst pipes. So this was the first simplest part to change out. Keeping the same diameter for a perfect OEM replacement, these pipes are straight through which not only eliminates any muffler packing or baffling, but also the weight. Each stock muffler weighs approximately 15.6lbs. The Designtek Secondary Exhaust Muffler Bypass Pipes are about 3lbs each. Now eliminating restriction, we have also saved about 25lbs off the rear end. Because this part still retained the factory headers with cats and the factory center muffler, it added a slightly deeper tone to the exhaust but not a drastic droning change that a full exhaust could. Upon revving the car out stationary and on the dyno, you could hear the tone change nicely as you past the 4000rpm mark.
Garage Notes: The pipes sometimes rub on the heatshields causing a resonation through the car. This can be sorted by redressing the heatshields but isn't a straight forward bolt up and go replacement.
The sound its self is quite impressive and very sporty from the outside but to drive causes a pretty bad droning sound under normal driving conditions. This exhaust peaks at 101decibels
According to the factories dyno test, the secondary muffler bypass pipes really start achieving performance from 3700rpm all the way to redline. With a baseline test in 3rd gear and all wheel drive (have to for the dyno and no warning lights), the car made 344HP and 289ft/lbs of torque. Based on the ambient temperature, the factories Mustang Dyno, and 91octane fuel, this is about right considering the car comes with 400bhp. With the addition of our pipes, the car put down 358HP and 298ft/lbs of torque gaining 14HP and 9ft/lbs at the peak.
Click 'Zoom in' for large parts diagram.
3606009913 replace No11/12.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
3606009913
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Fits:
Porsche 991 Carrera S 3.8L
These simple U/J pipes remove the mufflers that are tucked up in the rear quarter panels. Why the reason for these I do not know. Typically in the past we either see a main centre muffler or 2 mufflers with catalyst pipes. So this was the first simplest part to change out. Keeping the same diameter for a perfect OEM replacement, these pipes are straight through which not only eliminates any muffler packing or baffling, but also the weight. Each stock muffler weighs approximately 15.6lbs. The Designtek Secondary Exhaust Muffler Bypass Pipes are about 3lbs each. Now eliminating restriction, we have also saved about 25lbs off the rear end. Because this part still retained the factory headers with cats and the factory center muffler, it added a slightly deeper tone to the exhaust but not a drastic droning change that a full exhaust could. Upon revving the car out stationary and on the dyno, you could hear the tone change nicely as you past the 4000rpm mark.
Garage Notes: The pipes sometimes rub on the heatshields causing a resonation through the car. This can be sorted by redressing the heatshields but isn't a straight forward bolt up and go replacement.
The sound its self is quite impressive and very sporty from the outside but to drive causes a pretty bad droning sound under normal driving conditions. This exhaust peaks at 101decibels
According to the factories dyno test, the secondary muffler bypass pipes really start achieving performance from 3700rpm all the way to redline. With a baseline test in 3rd gear and all wheel drive (have to for the dyno and no warning lights), the car made 344HP and 289ft/lbs of torque. Based on the ambient temperature, the factories Mustang Dyno, and 91octane fuel, this is about right considering the car comes with 400bhp. With the addition of our pipes, the car put down 358HP and 298ft/lbs of torque gaining 14HP and 9ft/lbs at the peak.
Click 'Zoom in' for large parts diagram.
3606009913 replace No11/12.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
3606009913
175909-01
99111132101
99111132103
99111132102
99111132501
99111132502
99111132503
99111132201
99111132203
99111132601
99111132602
99111132603
The product you are viewing cross references to these numbers
£350.00
Now £332.50
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Exhaust Muffler / Silencer Sports VALVETRONIC DesignTek for Boxster 987 / Cayman
Code: 3606008705
Vehicle Group
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Information
DesignTek Valvetronic sports exhaust system gives smooth 12Bhp/15 ft-lbs of torque to the wheels with the valves opened, +8HP/10 ft-lbs of torque to the wheels with the valves closed. Made from high quality 14-16 gauge T304 stainless steel, hydro-formed muffler cases, radiuses stressed relieved with 2000 degree ceramic fiber and stainless steel wool packed free flow mufflers.
Fits:
Porsche Boxster 987 GEN2 All inc Spyder
Porsche Cayman 987c GEN2 All inc Cayman R
This unique exhaust configures a dual-tone setup controlled by a key fob which you can switch on the fly. Direct replacement for the factory mufflers and will work with the stock primary pipe and cats or DesignTek primary bypass pipe.
High-Performance Rear Exhaust with sound switch:
● Push the sound-button between:
Switch closed: Deep Sports Turbo Sound
Switch opened: Perfect Racing Sports Sound
Superb sports car sound, throaty and deep with the valves opened, but docile with the valves closed.
This system comes complete with stainless steel tail pipes.
Please note the remote controllers do not come with batteries. You will have to source them at your own cost. The type is CR2025
For Wiring Diagram please CLICK HERE
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3606008705
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Fits:
Porsche Boxster 987 GEN2 All inc Spyder
Porsche Cayman 987c GEN2 All inc Cayman R
Please note: on some models the exhaust bracket would require to be ground down a bit for the exhaust clearance
High-Performance Rear Exhaust with sound switch:
● Push the sound-button between:
Switch closed: Deep Sports Turbo Sound
Switch opened: Perfect Racing Sports Sound
Superb sports car sound, throaty and deep with the valves opened, but docile with the valves closed.
This system comes complete with stainless steel tail pipes.
Please note the remote controllers do not come with batteries. You will have to source them at your own cost. The type is CR2025
For Wiring Diagram please CLICK HERE
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Exhaust Muffler / Silencer Sports VALVETRONIC for Boxster 987 / Cayman
Code: 987044200
Vehicle Group
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Information
Exhaust Muffler / Silencer System
Original Porsche.
The acoustics of this dual-mode sports exhaust system are dependent on driving style, ranging from standard output during normal road driving to a more aggressive tone during performance use. Modes are selected using a button on the centre console (or 'Sport' mode button on vehicles with optional Sport Chrono Package/Sport Chrono Package Plus). Some models may require additional components.
*please note you will also need a wire harness
98761290502 for 2.9L cars
98761290525 for 3.4L cars
you will find these in the product search
Fits:
Porsche 987 Boxster 2009>>
Porsche 987C Cayman 2009>>
For Wiring Diagram please CLICK HERE
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
987044200
The product you are viewing cross references to these numbers
Original Porsche.
The acoustics of this dual-mode sports exhaust system are dependent on driving style, ranging from standard output during normal road driving to a more aggressive tone during performance use. Modes are selected using a button on the centre console (or 'Sport' mode button on vehicles with optional Sport Chrono Package/Sport Chrono Package Plus). Some models may require additional components.
*please note you will also need a wire harness
98761290502 for 2.9L cars
98761290525 for 3.4L cars
you will find these in the product search
Fits:
Porsche 987 Boxster 2009>>
Porsche 987C Cayman 2009>>
For Wiring Diagram please CLICK HERE
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12 Month Warranty
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Milltek Sports Exhaust Muffler / Cat Back Non-resonated (louder) Porsche 987 Gen2 Boxster S / Cayman S 3.4L 2009-2013
Code: SSXPO118
Vehicle Group
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Information
Sports Exhaust Muffler / Cat Back Non-resonated (louder) with Twin 90mm Special Polished Tips
Pipe Ø: 2.25" (57.15mm)
Tip style: Twin 90mm Special
Fits:
Porsche 987 Gen2 Boxster S 3.4L 2009-2013 Inc Spyder
Porsche 987C Gen2 Cayman S 3.4L 2009-2013 Inc Cayman R
Parts Assembly:
MSPO235REP LH Front Silencer Replacement Pipe
MSPO236REP RH Front Silencer Replacement Pipe
MSPO237 LH Rear Silencer Assembly
MSPO238 RH Rear Silencer Assembly
MSTIP152 x2 2 x Trims
Pipe Ø: 2.25" (57.15mm)
Tip style: Twin 90mm Special
Fits:
Porsche 987 Gen2 Boxster S 3.4L 2009-2013 Inc Spyder
Porsche 987C Gen2 Cayman S 3.4L 2009-2013 Inc Cayman R
Parts Assembly:
MSPO235REP LH Front Silencer Replacement Pipe
MSPO236REP RH Front Silencer Replacement Pipe
MSPO237 LH Rear Silencer Assembly
MSPO238 RH Rear Silencer Assembly
MSTIP152 x2 2 x Trims
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12 Month Warranty
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