Hey!
 

Nobody has said this yet: what is the gain with these headers...?

I know this is a broad range, but possibly 15-25 HP. Don't quote me though, this is just an educated guess.

Not bad!
 

15-25? Doesn't sound bad at all, I thought it'd be like 6-8... heh.

So who makes and sells these 2.5" and 3" headers?

They're for other applications, I wasn't specifically reffering to the 7M, although now that I look back, I should've :nuts: . To my knowledge only PaceSetter and OBX make a header for the 7M-GE.

I have an '89 n/a. I haven't put headers on it yet...because....the factory exhaust manifold has a double outlet, and the layout of the manifold is very open, and not restrictive. I think just slapping on headers will only get you about 5-7hp more, at most.

A cat back system will get you more gain for the $$$.

Ah.
 

Then not worth the $$ :P

What about CAI, headers, and catback? Wouldn't the whole set be more effective?

N/A's can't handle a whole bunch of fuel added, and it's already 9.2/1 compression ratio, so there's only so much you can do within a budget.

I've done the cat, straight through mufflers and pipes. Cold air intake, and some afm mods.

After much research, I feel like I said in my prior post, that the gain would be minimal. BUT...headers would be about my NEXT cheapest thing to do to gain a few more HPs.

I heard bad storys about OBX,