question on 200tq tuning

[pronn at rock.com]

Fellow 200 drivers,  I am looking into a possible stage 2 tune for my '91 200tq20valve. I have a custom exhaust (DTM muffler and 2.5" single stainless most of the exhaust). There is also a K&N filter installed. Are there any simple mods I can do at home with standard tools for increased performance? Do H.P. injectors make a big difference, and how do I change out my waste gate spring? I will also be installing 225/60/ 15 ultra H.P. tires on it as I've heard that the BBS wheels will take them quite nicely. Any input would be great, Thanks.  Paul 


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