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YOUR RESEARCHPower increase with "Motorsound" package?
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I haven't run across any dyno test results with and without the package.
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Being that the exhaust headers are increased in size, aside from the piping and the tips, increasing exhaust flow would this add any increase in power to the 996 Carrera?
Thanks,
Nazz
Porsche makes no claim for an increase in hp, but some have commented that there just might be a couple of unadvertized hp there. I haven't run across any dyno test results with and without the package. Someone commented that to make a claim of additional hp, they would have had to go trough another round of EPA re-certification for cars with the motor sound package. Traditionally, Porsche has been somewhat conservative in their hp and acceleration claims anyway.
Are there any 'at the wheels' dyno sheets floating around? I would be tempted to dyno to see if in fact there was an increase in but would want something to bench test it against.
What Motorsound package are you referring to? If it is the factory's XLF option, all it gives you is a modified set of mufflers for a throatier sound. No headers, no increased size pipes and no increased power.
Honestly I'm not quite sure. I was told when I bought the car that it had the "motorsound" package which included larger exhaust headers, pipes and larger tips which are round.
If in fact, you have all of the above, none of it is factory. The only factory option is what I described above. Take a look at the options sticker and see if XLF is listed.
No it's not listed. The car obviously has an upgraded exhaust by the sound. Would you be able to tell by looking at the exhaust system?
Here is a picture:
My experience with "Motorsound" pkg only relates to the 993, it was a legitimate factory option that didn't produce any performance gains. However, it was somewhat interesting because it offered a larger chrome air intake (to produce a deeper sound), and chrome rolled exhaust tips.
For the 996, I believe that Porsche's new term is Porsche Sport Exhaust or PSE.
Chances are you have an after-market exhaust that has a throatier sound.
That's really more of a picture of the bottom side of the engine BUT from the looks of it, the exhaust manifolds (Headers) as well as the cats and piping all look stock.
If you take a pic of one of the mufflers, we might have a better idea.
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