downpipe for KA24DE??

[Dream240]

Well the resonator would be a good "filler" for that space but, wouldn't this increase back pressure? I thought the whole point was to gain power. And the Apex cat-back exhaust comes with its own resonator, I think two would be a bit overkill. Honestly you could go either way, but if your going to go with a downpipe from your stock header, get a high flow cat to fill the gap, you'll need one to comply with OBD II standards or your car will throw a check engine light. So for now to cut costs, just go with a small custom pipe and later either go with another resonator or a high flow cat, your choice. Also i would go with a Greddy header eventually with the downpipe that way you'll gain the look of crome to your engine bay and gain some decent power from the setup.

Just a suggestion.