Gundo Hack for 987.1 S?
12-30-2016, 09:14 PM
#1
Intermediate
Thread Starter
Gundo Hack for 987.1 S?
I have a 2008 S and am looking for a bit more of an exhaust note. I don't want to spend $1K+ with the risk of drone and for that money I'd expect more noticeable HP. So is there some sort of way to hack the OEM muffler? It doesn't look as easy as the 911 since the cats are integral. I've seen a hack involving sliding the connector that joins the cross flow pipe between the two mufflers but that sounds like its just creating an exhaust leak.
Any ideas???
Any ideas???
12-31-2016, 01:35 AM
#2
Rennlist Member
In a word, no.
Here's the reason.
The "Gundo Hack" or "Fister D" mods for exhaust systems on rear engine Porsches such as the 996 and 997 is a short piece of pipe added between the inlet and outlet pipes of the muffler. The inlet and outlet pipes are right next to each other as they essentially enter and exit on the same end of the muffler, and this allows a bypass pipe to be added.
The exhaust systems of our mid-engine 986/987/981 cars have a more conventional layout where the inlet pipe (1ea) and outlets pipes (2ea) are on opposite ends of the mufflers meaning that there is no way to simply weld in a short bypass pipe between the two.
So the options we are left with are aftermarket mufflers that provide less muffling, or an interior modification of the existing muffler (Carnewal GT) as our only real common modifications.
I am a fan of the Carnewal mod as it retains the stock appearance, adds just the right amount of sound, and is the least costly.
Opening the upper connector pipe between the two mufflers is indeed just adding an exhaust leak to your exhaust system.
Here's the reason.
The "Gundo Hack" or "Fister D" mods for exhaust systems on rear engine Porsches such as the 996 and 997 is a short piece of pipe added between the inlet and outlet pipes of the muffler. The inlet and outlet pipes are right next to each other as they essentially enter and exit on the same end of the muffler, and this allows a bypass pipe to be added.
The exhaust systems of our mid-engine 986/987/981 cars have a more conventional layout where the inlet pipe (1ea) and outlets pipes (2ea) are on opposite ends of the mufflers meaning that there is no way to simply weld in a short bypass pipe between the two.
So the options we are left with are aftermarket mufflers that provide less muffling, or an interior modification of the existing muffler (Carnewal GT) as our only real common modifications.
I am a fan of the Carnewal mod as it retains the stock appearance, adds just the right amount of sound, and is the least costly.
Opening the upper connector pipe between the two mufflers is indeed just adding an exhaust leak to your exhaust system.
12-31-2016, 02:51 PM
#5
Burning Brakes
