Exhaust questions help please!
 

i am gonna buy the mac cat back system for my 03 v6 convertable but wanna change from the headers on back as well.....i need to get and x pipe or an h pipe i need to keep the cataytic converters cause of emissions. whats better the x pipe or the h pipe with cats? or are they the same. the x pipe is a little cheaper with the cats than the h pipe is but i will to spend the extra for better performance if the h pipe is better.

Re: Exhaust questions help please!
 

Check your PM