hi there i am living in the united kingdom, i have a vauxhall astra with the ecotec z22se engine and hear that in usa u can do lots of mods to the engine, just wondering what the mormal stuff you would do to it and mainly the cost! plz help me as i have heard you can get these to massive bhp and over in the uk it is horrendous prices
If you're looking for a lot of horsepower, best to look into the Turbo Kits. The key thing though is to have proper fuel management whether it be tuning for your computer (which is best) or something outside of the stock computer.
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