the bottom pic was an after thought .I had some stainless screen and made some inserts for the lower holes.thinking later ill use them ports as ram air intake (just thinking). after the front razzy vailance install i installed the airaid cai .by the way the cai had to be one of the easyer mods to install maybe one hour and two beers not bad. ill show pics of intake later .so after reading for daaayyyss on what mufflers to buy next I came across this thred talking about MRT .so after reading what other members were trying i went with scrmings set up (mrt v2) .my friging GOD the sound in person was just way better than i could of ever thought.being members does have its percs.thanks to all the members for testing all those diff exhaustes.they made it easy for me.