What are some mods that I could do to my astra sri turbo Z20LER? So far I got a 3" exhaust system.
Is it worth get a cold air intake or just a k&n filter for the stock intake?
Strut braces maybe?
Want to eventually get it custom tuned to 98 octane. I'm in Sydney so would you guys please also recommend a good tuner for the astra?
Say max spend around $3.5k including tune.
Any advice on how I can be most cost effective??
ps I'm new to the forum and have just bought the car so...hello and thank you all in advance for your input.
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