Berk had theirs on the market before Stillen did. At the time I ordered, the Stillens weren't even available, so that's the main reason many of us went with Berk, I think. As for gains of one over the other, Berk has proven dyno gains. I have yet to see a dyno on the Stillen HFCs, so I can't say if one will have substantially more gains over the other.

umm, I may have the results of the full stillen setup by tonight, if not, then I should have it by tomorrow night.

Update: just heard from HPLogic that the mechanic stayed in the shop last night till 3AM to get my headers done. That is incredible service, I should have results for you guys tonight.

Ditto. I went with Berk's HFCs because they were available at the time and Stillen's were not. I don't really have any solid opinions about the relative difference other than the obvious things everyone points out from pics of the two.

:tup:

Thanks, guys. I was going to pop over to Stillen next week and take a look at their setup. RCZ, I will anxiously await your results!

Not as much as I do my friend!!

Guys, just wondering: regarding the intakes, do you have to take the bumper cover back off when cleaning the filters, or can you get to them without taking the cover back off?

You *might* be able to get to them from under the car after you remove the undertray. This is a pic I snapped while I was under there doing an oil change. I suspect it'd be pretty hard tho, unless you're a contortionist. Even if you were able to reach the bolts to loosen the filters, I'm not sure if you'd be able to pull them off from this angle.

http://www.the370z.com/members/semte...h-radiator.jpg

Yes, the bumper cover has to be removed for filter access. It's pretty easy, I think I can get that thing off in about 10 minutes now having done it a few times.

update if the fitment has been correcteD?

Thanks for the info guys...

I'm hearing mixed things. Josh said on this thread that Stillen has made changes to the jig so that this should be corrected. However my mechanic was talking to Chuck from Stillen's R&D department and he said he had no idea of any corrections, nor was he aware of anything wrong with our exhaust fitment in the first place and was aparantly upset at Josh posting that there was a correction.

Josh, can you please elaborate on this?

I'm not trying to bust Stillen out here or their reps. Just sharing what I found out last night since racerxj17 asked. Maybe there was a disconnect in communication between Chuck and Josh, and there really IS a fix.

And if that's the case, I'd love for Stillen, since people here talk about how great their customer service is, to maybe just send us first edition CBE owners that have this issue, the fixed pipe segments so we can swap em out. Either that or reimburse us the cost we paid for tweaking the pipes ourselves. THAT IMO would be great service. Doing nothing about it for us on the other hand doesn't really impress me much.

Chuck is the Customer Service Manager, and is a point of contact for problems in installation and customer questions, for which it's his job to research the problem, talk to our technical people, and work on solving the issue. He is not in R&D.

He was not immediately aware of some people having issues with the crossmember because it's largely not been an issue, except for a couple of guys on the boards as you've seen, most being resolved already.

There isn't a significant difference to the exhaust, it's just a little different to aid in the installation. I know everyone likes their shops and their installers and I'm sure that all of them are good guys, but in most of the instances it's pretty clear that the instructions were not followed, and the center section was not raised before the system was tightened down, particularly at the slip joints, which once tightened the first time like to remain together, and unless they are fully separated, tend not to allow for further adjustment. This is why we've made the minor change, to reduce the chance of the crossmember touching.

Axio, I would be happy to see if there is something we can do for you for the issues you've experienced, which is absolutely not something we expect. Please feel free to contact me.

Josh

I'd rather not change out my pipes at this point. Both of the main sections of mine have been slightly altered, and I'm happy with the fitment I have now, no need to go introducing new variables and more work.

I don't know any more than you do on any changes that have been made since the first ones went out, but I'm sure Josh will be along at some point once he's sorted it out.

Edit: I guess he was posting as I was heh.