What did you do to your NNBS GMT900 Tahoe/Yukon Today?

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89Suburban

Bull in the china shop
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Blackbeard tuned. ....that's the sorcery.

Cai, long tubes, no cats, borla exhaust, and a mpg tune from Blackbear. 87 octane 22" wheels as well.

Curious how you pass the strict ****** emissions tests here with that setup. Pleas tell.
 

CHOO CHOO

BackPagePhil
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Curious how you pass the strict ****** emissions tests here with that setup. Pleas tell.
No visual in Pa. It passes emissions somehow. When I had them taken off, my mechanic at the time had no idea how they passed.

I can try and find the tests from the mechanic I take it to. It has passed for the last 3-4 years now since it's been done. It might be longer tbh.

My current mechanic is the number 1 rated mechanic in Lancaster for several years in a row. He will not touch any aftermarket parts other than stuff that is reputable like moog or arnott, dorman, etc. He likes oem and trys to use that the most unless it is a cost issue for the customer.

I can give you their info if you want
 

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