saab griffin power upgrade?
Hi guys pretty much a newby here. I have just bought a saab 905 griffin 1999in very good nick. with 100,00 k's or 66k miles. I want a performence upgrade not huge say 30-50 hp. is there a performence chip/ I have heard of the 'evosport' powerchip which delivers about 36 horsepower. my research thread went cold and I cant find out anymore. Any sugestions guys for a few more horses?