I recently purchased a Greddy sp cat-back exhaust for my max and had it installed and hear no difference in performance. i also have a random technology high flow catalytic converter? does anybody know where i can get an inexpensive but effective headers and y-pipe for my car to free up the air?

 

Y-pipe, I would go with WARPSPEED!!! everyone seems to like them and PAUL (guy that did my exhaust) HIGHLY recommends them...as for headers...im not so sure about that one.

 

cattman headers are costly and havent proven any gains over a Y pipe alone, but sound oh so good.

 

headers=waste of money......well in my humble opinion from people that have bought them and are not satisfied.....y-pipe there are many choices....budget...cattman..warpspeed....stillen (ha ha).....custom enterprises....as long as its mandrel bent....2.5" or larger and a nice flex section....its good to me.....