Originally posted by westcoaststyle
That's true too... but not many people are that anal about tuning... especially when you really don't know what compression ratios are. 
Unless your prepared to spend $$$ to make your ish run right, dont get it! If C5 + boost is you goal you'll need deep pockets but have more power than you'll ever get out of a C1 + boost...lot's if tuning!!!