Primary Pipes
Has anyone else notice the Primary header pipes off the stock exhaust manafolds get piched down to half it diameter at the collector them the main pipe it self jumps up to 3 inchs.
I wounder if ther some hiddenHORSE POWERthere or MPG if you get rid of the restriction at the Collector Hum.
Has anyone put a better exhaust collector on this system and if so how did it work out for them
I wounder if ther some hiddenHORSE POWERthere or MPG if you get rid of the restriction at the Collector Hum.
Has anyone put a better exhaust collector on this system and if so how did it work out for them



