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Old 01-17-2021, 11:39 AM
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Salj
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Anyone have feedback on sport cats installed on ‘21 TTS yet?
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Old 01-17-2021, 11:48 AM
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997usa
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Originally Posted by Salj
Anyone have feedback on sport cats installed on ‘21 TTS yet?
Yeah, I have them on my 21 TTS; They are good. Issue is that I do not have a comparison since I had the dealer put them on as soon as I bought the car. It sounds very good, particularly idling, and above 3,000 rpm.
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Old 01-17-2021, 12:05 PM
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Thanks! how would you describe the sound (turbo whine, metallic, deep, whoosh, deep)?
Any drone across the RPM range?
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Old 01-17-2021, 12:27 PM
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No drone at all; Deep V8 rumble actually when idling; My 16-yr old stated the other day 'You realize your car is loud right?' to which I answered 'Thats how I like it'.
You hear a faint turbo whine, but overall it is a deeper noise.
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Old 01-17-2021, 01:06 PM
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Would love to hear sound tracks!
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Old 01-17-2021, 01:10 PM
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GT3RS loud?
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Old 01-17-2021, 02:24 PM
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It sounds deeper when warmer, but attached a video I just made for you.

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Old 01-17-2021, 02:40 PM
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Great sound and thanks for doing the sound clip!!
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Old 01-17-2021, 03:44 PM
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Sweet! Which sport cats did you install?
No issues (i.e. codes)?
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Old 01-17-2021, 03:56 PM
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Originally Posted by UTPorsche
Sweet! Which sport cats did you install?
No issues (i.e. codes)?
the SOUL Cats.... No issues what so ever.
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Old 01-17-2021, 06:32 PM
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Originally Posted by 997usa
It sounds deeper when warmer, but attached a video I just made for you.
Sounded like the engine still in cold start mode?

PSE valves remain closed and the PSE button is nonfunctional until the idle drops when cold start mode ends, which is perhaps why it sounds deeper when warm.

Would bet it sounds MUCH better with PSE valves open!!
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Old 01-17-2021, 08:15 PM
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Originally Posted by 1Gunner
Sounded like the engine still in cold start mode?

PSE valves remain closed and the PSE button is nonfunctional until the idle drops when cold start mode ends, which is perhaps why it sounds deeper when warm.

Would bet it sounds MUCH better with PSE valves open!!
I believe you were just assigned some homework 997usa!

For reference...TT with PSE and stock cats.
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Old 01-17-2021, 08:39 PM
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Originally Posted by 1Gunner
Sounded like the engine still in cold start mode?

PSE valves remain closed and the PSE button is nonfunctional until the idle drops when cold start mode ends, which is perhaps why it sounds deeper when warm.

Would bet it sounds MUCH better with PSE valves open!!
Yeah, it was ice cold.... will do another one tomorrow.
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Old 01-17-2021, 10:34 PM
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Originally Posted by 997usa
It sounds deeper when warmer, but attached a video I just made for you.

https://youtu.be/Whj3iGelfx4
I don't mean to hijack the thread but I see you have installed the carbon fiber rear diffuser, very nice! Did you replace the plastic parts in the front bumper with CF as well?
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Old 01-18-2021, 09:36 AM
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Got them on the 991.2, 100 cats with Kline headers and Kline exhaust, same will go on the 992 tts
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