dhsil80 said:from what i heard, the quality of the materials used to fabricate these manifolds are very mediocre, creating poures through the manifold leaking hot air into the engine bay........ if you are considering this upgrade buy the real thing and you won't have to make any adjustments to the fuel rail, if you buy the ebay one you'll save now but it will cost you later....$450.00 for the real thing is actually pretty good, remember you get what you paid for.
drftns14 said:i have one on my car right now, the casting isint the greatest, but you can use stock side feed fuel rail. i used a dremmel and extension bit to fine sand and smooth the inside and ports, i bought mine for about $65-70 bucks. im going to polish it, so it wont look as crappy, but i guess its up to you, make sure it comes with a gasket, but profab makes a gangsta ass one for like $50 its worth it.