ref the porting my local Muffler shop did them on the car and did an excellent job ref the collector area and removing the large lip on teh stockersrickbtbird said:I've been trying to get a hold of him myself for some porting but he hasn't answered my email yet at tbird88@datarecall.net. Tried to call the number at the shop but he doesn't work there anymore and they said he took a different job at another local shop. Hate to put my new exhaust on the old unported manifolds.