http://www.outmotoring.com/mini-coop...ance-head.html

i would be interested about the stage 3 head, the big injectors and the miltex headers with borla exaust.

some advice?

i want to punt around 4500$ can on my r53 during the winter and i want to feel the '' it worth it'' when driving it..

already -15 pulley, nology wires, densio cold plugs, k&n intake. powerflex bushings, h&r 1.75-2.25 drop.

 

Why not go w/Jan or Thumper. Two different approaches but both are excellent. There's a lot of banter about who's best but they both do high quality work. Nothing against Outmotoring but I'd go with the guys who actually build them.

 

Completely agree with putttn. Go with someone who is known to build heads and powerful MINIs...

 

Personally i would trust a product from outmotoring. They arent in the business to just throw random parts onto the market, and those photos show a very beautifully built head. IMO I would call Aaron at outmotoring, and get the skinny on the head, and also Jan. I tend to favor CNCed heads though...

Tune and larger injectors will be needed. Milltek header is barely larger then stock and there are several offered that have gone through a lot of develop to provide better numbers.

 

keep your head for now and get the sprintex super charger. My 2c

 

Your going to get a good amount of bias answers as some pretty solid lines have been drawn as to who does good head work. Don't get too caught up in the who sells it argument as many of the popular heads are not produced by the companies selling them any way. How it performs is key. The description and pics look good, but it's lacking the important information.

Ask OutMotoring for the data that supports their claims. At a minimum you need to see where power is made and with what mods. They should also provide before/after charts along with bench flow charts if they have them for all the stages offered