Have one coming from grinder this week...Can't wait. Also have an rbx12 to send to have it massaged. With the Short stroke novarossi based engines and these modified,does anyone know a good pipe for a medium sized track.I run the rdlogics pipes right now and was wondering of any other suggestions.By the way its the "Legal" turbo one peice by Rdlogics.sweet pipe on my x12 thats for sure.Grinder,any suggestions?