2019 Silverado 5.3 BTR stage 2, K&N intake, 1 7/8 longtube headers. It was finished in early spring and when I tried the ecm swap it said out of stock. I now have the worlds largest paperweight. Is...
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2019 Silverado 5.3 BTR stage 2, K&N intake, 1 7/8 longtube headers. It was finished in early spring and when I tried the ecm swap it said out of stock. I now have the worlds largest paperweight. Is...