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The blowoff is hard to capture on video, but I plan to make more attempts soon. The second post on this thread has a clip of my car.

I have Nitto 555RIIs on there now.

Yep, I just got them for the noise.

I really don't think it is an issue. Tons of folks have them on ATS-Vs. I think I'm the only one with them on a blackwing but both cars have no lift shift so I would post up on this page and ask if anyone with a manual has them installed. Or maybe @WONT TAP knows already...

I have the A10 so that's not a concern haha.

No tune needed but you will have issues if you don’t run it tightened down all the way.

Nope they come with everything you need.

Whoosh. Install was pretty easy. You have to take off some of the vacuum lines and move a few other things around. If you do it when you are changing spark plugs it would only add like 5-10 minutes to your install. If not, I would say its probably a 30-45 minute install

No, its tough to get sound clips of it but I do plan to get some soon. I don't believe there is a performance benefit. Its purely about the sound for me. You can have some drivability issues if you leave them too far open. I left the trumpets on but have them tightened all the way down. The...

I think you typically only see 25% loss in AWD applications, but I would think 12-15% or so would be a reasonable number.

Here is one result. Looks like 620whp stock for this one. https://www.tapouttuning.com/testimonial/2022-ct5-v-blackwing-702-whp-supercharged/ And another one at 619whp https://www.tapouttuning.com/testimonial/2022-cadillac-ct5-v-blackwing-694-whp-supercharged/

Yes, install isn't too bad. I did the spark plugs at the same time.

https://www.turbosmart.com/product/kompact-dual-port-kit-cadillac-ats-v-3-6tt-2015-current/

You would have to add back in the assumed loss, but I believe @WONT TAP has some baseline dyno pulls on the CT5BW.

Yep! Catless downpipes from Tapout will give you plenty of spooling sounds. I also got some Turbosmart BOVs because I wanted all of the turbo sounds.

From a fully stock vehicle, I would expect it to be around 20-25k

Will do! Scott's has had this setup for quite a while and I think he has 100+ passes at the strip now, so I don't expect any reliability issues, but I will report back all the same!

Yes they are Pure Stage 2s.

Butt dyno says its fast as hell lol. Drivability is great! I drove it 1000 miles home yesterday. I prefer to drive in manual mode but I had it in auto for a while and it felt good still.

Well, I ended up doing the thing and shipping my car up to Ohio to get the brown belt package. Just got finished driving it home and this thing is mean! Ended up with 716whp.