i just did the EGR block off and removed the air pump. I heard the Check Engine light will be on, but im not going to start my car untill i get my Air manifold bungs in. im have my friend custom make some. is there any place that can reflash my computer or do dyno tunning around. is there any problems i might run into like rough idle or anything?

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94 A4 Geen Trans Am ,InTrax drop springs 17" ws-6 on 275/40 kumhos in front Nitto 275/40/17s in back
K&N FIPK, 160* thermo, 3.73,flowtech cut out, no cat, dynomax muffler

"Your Flow-master isnt as loud as my No-Master"