I am new here, looking to put cold air kit and wanting to put headers on my car. Advice of what headers long or short work best on a Roush and cold air kits. Also any info on open an close exhaust, good or bad for this car? Thanks
Looking for some advice on upgrade exhaust for my Roush 427R. Thinking about Headers, also would like to know about the Roush open an close exhaust. What yall think?