i thought 5 zigen exhaust should be quiet....it shouldn't be too loud!!!
my friend recommended me to go for the stock DC2R cat back....looks nice and not loud!!! (but hard to find)
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2.5" is overkill for a stock b16. You will lose what little low end power you already have. Go 2.25"
finally purchased the X-force manifold & cat, plus HKS hi power, it should be 2-1/4 inch all the way.....hope can install it on monday,
let us know how it sounds with a vid !
finally installed the X-force extractor 4-2-1 and cat, with the HKS hi power cat back this afternoon
the noice is very good, very quite under 4000 rpm, and getting more deep noice when the Vtec kicks in, completely satisfy on this choice.
however, don't know why the exhaust tip is 4.5 inch, but the full system is 2.25 inch. seems looks a bit funny!!!!!!
also, it sits really low, forgot to worry about this before i purchase it, so need to drive very very careful. may need to back to exhaust shop to raise up the mid muffler.
will post up some photos tomorrow.
thanks hips for all comments!!!!!
u got pics of your setup?