Maybe this would work even on the 4s?

BUy it on ebay right now for $250 Euros from der faderland...or make your own???

Here is der linkengraben...somebody post the photos...

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewI...&category=28629

thats cool, but how does a stock muffler give ya more HP? does it have emissions junk like a cat in it?

*yuck*

just when you thought the 914 couldnt get any lower- that thing is tall!

Yeah... bet the trunk gets really warm now!

Makes the rear trunk of your 914 a real Pizza Warmer for you Dominos employees.
CCLINHOLDTHESARDINES