JoeyBalls

I learned the hard way that the Test pipe is too free-flowing, anyone have the Berk High-Flow Cat in place of their OEM on their Greddy AP2, any issues at all, is it worth it?

JoeyBalls

anyone?

mpower22

Tuan just tuned my car. I have a berk hfc but a real small exhaust 63mm no creep.....you might with your v3 though

JoeyBalls

hmmmm, yeah I don't know I am hoping the warmer temps may help, what are your numbers?

NFRs2000NYC

Why not get an HKS exhaust? It's 63mm, sounds A LOT better than the Invidia, and has perfect backpressure for the greddy turbo. I had no creep in sub 40 degree temps....with a straight pipe.

mpower22

Hot day..about 80 outside and 9psi put down 275 whp and 210 lbft

parkerdw

Can you post your dyno? I got 276 with my ap1 on the same dyno but in much colder temps at a slightly lower psi of 8.5. Seeing as how Joey got 301 at 10psi it sounds like your numbers are just about right.

I will be going back for a retune at Ptuning using my new Berk Hi flow cat on May 10th. I will be tuning to get it as close to 10psi as possible in warm temps. I currently boost at 8 - 8.5 psi in warmer temps.

I just got the new cat on my doorstep this morning. I'm gonna have ptuning slap it on just before the tuning session begins.

mpower22

I will try to get an electronic copy from Tuan but I'm real happy...he played with my VTEC engagement point a bit because my emanage ultimate was purchased before I got the rest of the kit . Raining vtec keep torque from dropping off a bit....

Matt

JoeyBalls

hey brotha, I am thinking of the 70mm Berk HFC as well, I was going to try my 70mm Test pipe again with the warmer temps, but please Keep me updated with the HFC, did Tuan say anything about potential boost creep?


Which HFC is it, 70mm, or 63mm?

TRBOKEV

Im sure its the 60 high flow cat as there is no 70 mm made yet.