I just ordered a pair of kooks longtube 1 3/4"-3" stainless steel race style headers, i ordered them from SDPC performance last thursday and they showed up today(wednesday), I talked to Kris Jones, very good guy to talk to, met him through ls1tech.com, he updated me yesterday on the delivery and told me that they were to show up today and they did, very pleased with the results so far, now just gotta give TSP a call on their duals