The design of the Stillen system looks better then the Borla. I would go with Stillen, but the price is almost 75% higher, so tough call. Not too much has gone on in the G modding world yet, but I would assume very shortly we will have dyno's on these babies.
In the mean time, headers would be a nice addition [thmsup]
2003 G35 Coupe | 6-speed | Diamond Graphite/Graphite | Sirius
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