I agree with all above.
Best bang for the buck IMHO would be: (in order)
1. HFC (Berks are nice) By far best bang for the buck if done with tune!!!
2. TUNE (most guys use dyno UPREV at local speed shop)
3. drop in replacement filters (K/N) or long tubes (don't bother with short tubes like JWT's because heat soak will steal much of the benefit...I know I have them)
4. CBE. expensive with slight gains...really just makes it sound better which is awesome.
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09 6spd Berk CBE, JWT cams, ZSpeed CSC, Stillen (25 row oil, brake cooling, sways, gen3 CAI), Passport (9500ci), Quaife LSD, Z1 400 hp kit, ss lines, pads, rotors, clutch etc, Phunk's pan and fuel starve fix
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