TURBO4LT Member 1,533 Member For: 23y 1m 21d Gender: Male Location: NSW Posted 01/06/09 06:53 AM Posted 01/06/09 06:53 AM I've also got the Xforce 4inch dump into 3.5, its fine at power levels under 350rwkws and I really like the sound, but above those levels you can hear it running out of flow especially on the dyno.
Corzza 777 Member 7,135 Member For: 17y 8m 8d Gender: Male Location: Neutral Bay. Born and Bred in the RSA Posted 01/06/09 10:06 PM Posted 01/06/09 10:06 PM This is they system I would be going for trumpy955. Iv been doing my research and im getting a custom exhaust made up 4" into 3.5" with proven results
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