What’s the best downpipe for a 2021 Untunable A91

Akashugly

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I have an AMS catted Downpipe, drove 5k km no CEL light yet, I also recently added the JB4 and run it on map 2, since my Supra ECU is also locked.
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how much does it cost? their store shows sold out
dm sent :thumbsup:


Hopefully they'll be back in stock soon... :hmm:
Early to mid-April. For all interested buyers, it's best to pre-order as DP shipments are getting sold out before they are even available.
 
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dragonhunter241

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Early to mid-April. For all interested buyers, it's best to pre-order as DP shipments are getting sold out before they are even available.
Do you guys do affirm? Do guys have a definite week down that you will shipping out orders?
 
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dragonhunter241

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I have an AMS catted Downpipe, drove 5k km no CEL light yet, I also recently added the JB4 and run it on map 2, since my Supra ECU is also locked.
Do you think AMS is better or AA? Are there any major differences?
 

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Do you guys do affirm? Do guys have a definite week down that you will shipping out orders?
We do affirm, i don't have an exact date as we are waiting on AA to receive the shipment. Once they do, they will ship all our orders directly to customers to avoid any delays.
 

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Do you think AMS is better or AA? Are there any major differences?
AMS is a company that the only negatives you will hear about is that other companies will make similar parts that do the same thing but for cheaper.

Have nothing but love for them and have their full collection of bolt-ons on my Evo.

Last winter I even crossthreaded my rear 02 sensor after one of thoes 2am 'it was supposed to take 20 minute projects,' on their titanium test pipe. I inquired about buying another one given covid delays and 2020 issues and they sent me a new test pipe for free! It arrived the nexy day with a note that said, "sometimes shit happens." They are good people and I can't wait to add their goodies to my Supra
 
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Realygoofyguy

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I used the Kooks green catted downpipe, no tune, no CEL, I did a cat back Borla Atak exhaust and it sounds amazing. Would love to get a tune, but ECU is still locked, and I'm not sure about the piggy backs.
 

kingkai23

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I used the Kooks green catted downpipe, no tune, no CEL, I did a cat back Borla Atak exhaust and it sounds amazing. Would love to get a tune, but ECU is still locked, and I'm not sure about the piggy backs.
 

kingkai23

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Have ams catted w awe touring and jb4 no cels no issues 1k miles
 

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dragonhunter241

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VA90

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I went with Active Autowerke from XPH (who were great). Been some time and no CEL, no smell. Install was very straightforward. Very modest increase in volume; I think you could pair it with an aftermarket exhaust system and still keep noise level reasonable.
 
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I went with Active Autowerke. Been some time and no CEL, no smell. Install was very straightforward. Very modest increase in volume; I think you could pair it with an aftermarket exhaust system and still keep noise level reasonable.
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I used the Kooks green catted downpipe, no tune, no CEL, I did a cat back Borla Atak exhaust and it sounds amazing. Would love to get a tune, but ECU is still locked, and I'm not sure about the piggy backs.
Got any sound bites? I bought their catback and am grabbing a catless dp for now, then will eventually upgrade to catted DP and was considering their green dp cause their sales pitch sounded good!
 

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Had an AA catted downpipe installed on my untunable '21 late last week with the stock exhaust (AWE Track is actually out for delivery right now with FedEx). Definitely more power and sounds great with the stock exhaust! It's more raspy and aggressive but not obnoxiously so at all. Louder and raspier on cold starts but at idle with after warm-up I can't tell the difference until I put my foot into it. Feels like how it should have come from the factory. No CEL at this point, additional gasoline smell (which I wouldn't expect with a cat of this quality), or any other issues, but I only have a couple hundred miles on it after install. Taking the car on a short road trip over the weekend and doing a track day, so will see how it works out in that situation.
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