10-28-2006, 08:31 AM
i have a 2.0L duratec and want to add cossie headers or maybe f2 headers
since i have to remove my primary cat to install the headers and flex pipe if i install a bigger high flow cat in place of my secondary cat will that help me pass emissions ???
if not can anyone tell me the best way to be able to pass emissions with headers in my car.
since i have to remove my primary cat to install the headers and flex pipe if i install a bigger high flow cat in place of my secondary cat will that help me pass emissions ???
if not can anyone tell me the best way to be able to pass emissions with headers in my car.