hi there been a member for a while just got a chance to get in here for a hello.mikes the name drive a 92 vp commodore has pacemaker PH5029 extractors full twin 2.25" exhaust all straight through mufflers no cats im in newzealand.memcal tuned by myself i tune commodore ecu's thats my thing.here to give a bit of advice and help a few people out when needed.havea good one guys.