Def need performance headers. Cat delete is a good idea but chk with your state about inspection
Had the NHP perf headers installed on mine along with their full exhaust system. Sounds man, sounds just like a F1 car loll Great in the mid/top range RPM, lacks completely in the lower. Not the type of set-up you want for a city car e.g if you drive between traffic lights all day long.
Trade off is the 'sound'. Nothing like huge OD headers wrapped with thermo (asbestos?). Throttle is massively quicker also
What else... nothing. $2,500 later loll just sounds good
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'97 Boxster base model 2.5L, Guards Red/Tan leather, with a new but old Alpine am/fm radio.
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