dissapointed I think 450+ rwhp can still be seen. I had a friend that had cats on his GT2530's and when the changed to straight pipes it was night and day. :)
**Dynoed at 371.2 rwhp. and 362.3 rwtrq. @ .9 bar on pumped 91 gas no time tweaking 3/11/31/03** **Dynoed at 411 rwhp. and 452 rwtq. @1.15 kg. on race gas 104 no time tweaking 3/28/03 **All numbers are SAE corrected**