You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, at no cost, you will have access to start new topics, reply to conversations, privately message other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, join Chevrolet forum today!
IF(notice it is a big IF) any gains are to made with exhaust only mods,they are small and in a RPM range that are rarely used.It is surely the dirty little secret these guys are sell ya.IF it sounds more powerful then in yer head it must be........