Right now I have a cast Blox turbo manifold on my GSR turbo set up. I dont like this manifold because it makes my wastegate hit the valve cover/ head on my motor. I dont have A/C so I dont care about length of manifold. I was researching ramhorn manifolds and saw that as long as it isnt cheap ebay crap that'll crack, I should see slightly faster spool times and a broader powerband. Correct me if im wrong, please.
So I saw this manifold on CL. Messaged him & its a t3 flange which is fine because I wanted to run a larger turbo anyways.
Anyways, is this a legit PeakBoost turbo manifold? He claims it to be stamped somewhere on the manifold. He is about 15 mins away from me, and if its legit, would it be worth the money? He said he'll take $150 for it.

http://chicago.craigslist.org/chc/pts/3714486473.html

 

I either want to do a ramhorm setup. Or a topmount setup. Been researching a lot and so many setups that it makes my face cringe. Anything to get me to my 500whp goal this summer.

 

Actually you'll see a bit less backpressure and more exhaust energy volume, but not faster "spool" for a given turbocharger when going to a Kooks manifold ..(Sorry, I mean "Ramhorn").

The popular opinion here is that Peakboost manifolds had some issues with their design, and is rather hated (for lack of a better term) on this forum by shops and former consumers alike. So you won't see too much support for his product.

Not to mention, you won't know if you will receive a B-series or D-series until its too late.
My advice is that if you must have a Kooks manifold, go with the other companies like Sheepey Inc, JDL Auto Design, AFI, and GO-Autoworks. Buy new, and buy with confidence. If you say you only have $200 for a better manifold, best to wait, save and have about $650 or so ready to rock.

 

Yes, that is a version 1 Peakboost manifold.

 

Save your self some money, put an elbow on the wastegate and it will no longer hit the hood. The blox manifold will make plenty of power

 

Top mount is over kill for 500 hp, ramhorn is more than enough for your goal of 500hp. Even though a log manifold can do the same HP I do understand how you say you want to go with a bigger turbo. The Blox manifold isnt to bad compared to the older revhard and drag manifolds, or at least the wastegate positioning. I had the revhard before and it was a headache! Boost creep all the damn time. Another fix to the wastegate hitting the valve cover/hood is converting from the 2 bolt F38 tial (if thats what you have) to the MVS 38 with the adapter. The MVS is much smaller and wont hit or you can do the elbow. Either or will work

 

There are better options out there. If you're looking for ~500whp, don't bother with a topmount. You would be better served using a ramhorn or a mini-ram. Since you're planning to drive this car, you may want to consider making streetable/usable power rather than focusing only on the peak power #