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I'll list the state of the car at the time this was noticed: Owned for 3 weeks. I drove it a lot for the break-in miles. Hadn't used launch control up to that point. ~1600 miles (memory) 100% Stock (at the time) Description: On the day of install for my first two mods (catless...

I agree. There was some shop here that started posting information about it, but never completed it. *update* Here's the thread: https://www.supramkv.com/threads/blown-motor.2555/page-3

Good luck, that one is in Hawaii unfortunately.. I think that's partially why it was totaled out, lack of parts on hand, people to work on it, and wait time to get those things to the island...

we actually started the car with just the downpipe... no way. It’s not loud at idle, but going up the rev range is too much for me to have 100% of the time, especially right under my feet and not out the back of the car

:hide:Guilty.

I'd be willing to throw my car on a shop's dynojet down the street from me. My car is 100% stock (Jb4, but removing because I'm going to be using bootmod3 moving forward), and I have a catless downpipe that I havent installed yet. Let me know.

Stock, my best was 12.6 @ 110mph. I had terrible 60' times and traction issues either through 1st or the bottom of 2nd gear.

I might get flamed for this, but I was thinking about just doing my catless downpipe and an electronic cutout, honestly I was just going to straight-pipe it anyway, but i dont want ridiculous raw I6 noise full-time.

Ah, I thought it was just a spacer without the cat. Either way I’ll keep you posted. Hopefully I can recreate the issue and work through it with some of my friends at the shop

okay. I just purchased a jb4 and a catless downpipe, but I ordered the mini-cat. I’ll have it on by the end of the week and tell you what happens. Suprastore responded saying that the mini-cat should ensure that CEL shouldn’t come on. I’ll respond the day of, 3 and 5 days after install.

Lol well.. shit. These companies are out here lying about their horsepower/torque numbers like it's still 1990. https://www.motortrend.com/news/2020-chevrolet-corvette-c8-power-dyno/ They claim it dynos at 558hp & 515 ln-ft tq at the wheels. Well that explains a lot.

I think the pricing to get that advertised 0-60 you'll need the $5k performance package upgrade. Honestly once you're done specing, it'll likely be closer to $70k+ Also there are some really concerning issues in the reviews here, common issue is understeer...

Did Terry ever get back to you? I'm interested in hearing the conclusion.