i see a lot of people putting up incorrect information in this thread, the 180sx has the ca20det 2.0 turbo and the 200sx has the ca18det 1.8 turbo, some of you are putting this the wrong way around, my mate has a 180sx running a mines ecu hks stutter valve hks air filter and full hks 3" exhaust back to a 5"/6" bacbox, stock they have 230bhp