Sorry to add to your issue, but most recommend that adding headers requires a re-tune.

 

Thanks elegant, the only reason I said that is because I wouldn't need the shop to do the tune, I already have someone for that.

 

Yeah, then you only need to worry about getting the car there without throwing codes.

 

I paid 750 in Fl. for LG long tube 17/8 headers back through and including new cats for installation. I have adjustable factory tailpipes and drive in Sport mode. Isn't that easy...and as you know will need a tune. It "woke up" my C7 stingray with standard wheel size and Auto. Really couldn't put much more power to the ground without wider or much stinkier tires.
Rear end enjoys kicking out a bit when shifting to 2nd. Going about 35 and then full throttle it breaks lose on the downshift. Sounds beastly.
Have fun.

 

If you can wait, go to Corvette@Carlisle next year. Buy there and install Is free. Use you $700 and have a fun weekend

 

Update, I had settled to go to vette doctors and pay the premium install price even though I was chatting with the owner through email but then he simply stopped responding. Then I figured let me just reach out to a shop others had recommended to me. The Custom Shop Nyc in Astoria Queens. Wow, I was blown away by their responsiveness and willingness to help me. They weren't all about the money and they were way more thorough. Oh yea and about $150 cheaper as well. Dropped my car off in the early afternoon and they had it done an hour before closing. Picked it up the same day, mechanics gave me a complete breakdown of the install, advised me to let it get a few warm up - cool down cycles and bring it back for a re-check and re-tighten. Awesome place, awesome people. Definitely my new go to spot.

 

Yeah, I went through that in 1980 and realized that I was just buying parts for less performance. You may realize that you can’t out engineer the factory. Enjoy your C7 without all that crap.


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Man that sucks, you were supposed to buy the parts that give you more performance!