Quote:
Originally Posted by u155282
I love the sound of the LTHs and the performance bump is great, but what if I wanted to keep it smog legal and a little quieter than straight pipes? I know it be expensive and it would negate some of the gains from the LTHs, but what about cutting out some space and welding in a pair of HFCs? Totally not worth it? Would you see any gains from having LTHs in that case? Has anybody else thought about this?
I still don't have a car, just curious/dreaming. I'm that guy - sorry.
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I mentioned this in the other FI LTH thread. Most of the 90's and back cars had the cats after the header/down pipe. That may not pass the cold start smog requirments now-a-days but having like a 200 cell cat after the long tubes I would think would cut down the raw fuel smell and get you by a quick visual. I know this would necessitate a revised mid-pipe but keep it mind for later Tony. It might keep cops and Highway Patrol from rolling you not to mention the possible smell at stop lights. Not sure how that would impact the #'s though.