Well, if you got the Steeda power pack with the Boss IM, CAI, and the Steeda 93 tune, you bought a good package! But if the code is telling you it's an exhaust issue, I'd get under the car and check all you connections. I've got the same power package but when I hooked up my cat delete and X-pipe, one side just wouldn't clamp tight. The exhaust leak thru a code, I think it was P219A. Mine was exhaust pressure difference, and the code was right. I dropped the exhaust, welded it up, threw out the clamp that leaked, and cleared the code. It never returned. Check your exhaust would be my suggestion. Good luck !