Hello, I just bought an '87 300TD wagon; I want to open up the intake and exhaust. If I get rid of the stock air intake and the sensor/flap thing under the air box and put on a cold air intake, will I get any check engine lights or problems of any sort? Also, does anyone make a bolt-on cold air system for this car or do I just fab something? I just adjusted the ALDA, and was pleased with the bottom-end results. I'd also like to remove the EGR and put on a 3" exhaust with like a Magnaflow muffler or something, and eventually turn up the IP. How much can I do before I'm gonna puke the trans? Any input on all this would be helpful. Thanks!

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1987 Mercedes 300TD Wagon, ALDA adjusted, EGR removed, tinted windows 17x7.5 wheels