ERZ Performance High Flow Cats, Install and Review Thread

[kielbasa16]

Originally Posted by spearfish25

Any results? I'm curious to see what your dynos showed.

World Cup has had me so preoccupied at work (along with actual work) that I havent been on the forum at all lately. I got my baseline dyno in which yielded about 270HP and 235TQ - Which I believe is basically normal. When preparing for the install my father suggested a long-term solution of building a pit in our garage instead of jacking the car up. The pit will be done this week.

So in short, I have not done the installation yet and of course no after dyno. I am also away this weekend, I apologize for the delay, but it probably wont happen till the following weekend. As previously promised I will post with all my results once I get them, dyno sheets, vids and pics.

[efuseakay]

Originally Posted by kielbasa16

Received my ERZ HFCs on Thursday along with my Fast Intentions CBE. I am really excited to get these two pieces installed as my first performance modification.

I want to note that thought I felt like a boy on Christmas, I was not completely impressed with the cats from a visual inspection. The inner tubing does not meet flush with the flange area like many have noted. From the outside it looks fine, but a little disappointing to see that even after the issue had been raised with ERZ in the past. Maybe its an unfair comparison because I had my shiny out-the-box FI exhaust from Tony sitting right there next to it with its perfectly smooth welding. I also have to note the FI was packaged with much more care.

Anyway! I am going to do a baseline dyno tomorrow morning, try to do the install during the day, then go back for a second dyno run. These will be installed together so it wont show results for purely the HFCs. Thank you to ERZ for the order and quick shipping, I am not an upset customer at all, at the end of the day its about performance for me.

Yeah, if they perform well, and there are no issues, you're good to go really... it's not like you will be staring at the insides of the HFCs all the time...

A CBE is a completely different story... FI ftw!

[Nick911sc]

Will the inner tubing not being flush with the flange area cause any problems?

[kielbasa16]

Thats a question for somebody more mechanically knowledgeable than I, but in my opinion no. The outside is sealed off perfectly with the welding so I dont know how it could leak. Anyone?

[spearfish25]

Just heard from a guy with a FI exhaust who crushed one of his CF mufflers after going over a dip. FI isn't as perfect as some make them out to be!

[Zsteve]

Originally Posted by spearfish25

Just heard from a guy with a FI exhaust who crushed one of his CF mufflers after going over a dip. FI isn't as perfect as some make them out to be!

I have never scraped my FI CBE and I go over speed bumps and all. If a dip crushed his exhaust he was speeding and that caused it. Normal driving over bumps and dips wont scrap, atleast from my experience and I dont do the low rider 1/2 a mile an hour when going over bumps or dips. To scrap the FI CBE the driver has to being doing something wrong. Ive scarped my front end before but not the exhaust.

[wishihadnav]

^^im not surprised..they do sit low..that's why i prefer a stacked option..

[tjlazer]

I just got my ERZ HFC's yesterday! Hope to install them tomorrow! Wish me luck with the demon bolt!

[new370]

i have never scraped my FI CBE and i hit a 6inch deep pothole today doing about 20mph and my exhaust was fine

[tjlazer]

Installed my ERZ HFC's yesterday! The demon bolt was HELL. Had to rip off the stock cat to be able to break the bolt to remove. In the end I won. Took me like 4 hours! ERZ HFCs are nice and no CEL yet. Extended bung was worthless as the O2 sensor would not install.

[ERZperformance]

Originally Posted by tjlazer

Installed my ERZ HFC's yesterday! The demon bolt was HELL. Had to rip off the stock cat to be able to break the bolt to remove. In the end I won. Took me like 4 hours! ERZ HFCs are nice and no CEL yet. Extended bung was worthless as the O2 sensor would not install.

I might have ship you the wrong size extended bung, if you do get Cel let me know I'll ship you the correct one.

thanks

[ERZperformance]

ERZ / CNT High flow cats are back in stock pm me for best price.

[PR370z]

Pulled the trigger today and got ERZ/CNT HFC's, the communication with Thomas (ERZ performance) was great and the price was great. Will let you guys know my opinion after I install them. How much of a HP increase should I expect with the stock exhaust? Also considering CNT CBE when it is available.

[chops]

i finally got mine installed on my stock nismo. exhaust sounds infinitely better with a noticeable increase in volume at all RPM's. it sounds like a true CBE now. however, i have a rattle (which im assuming are the 02 bungs - ill tighten those tomorrow and report back). no CEL's after about 50miles yet. [fingers crossed]

[djpathfinder]

Originally Posted by chops

i finally got mine installed on my stock nismo. exhaust sounds infinitely better with a noticeable increase in volume at all RPM's. it sounds like a true CBE now. however, i have a rattle (which im assuming are the 02 bungs - ill tighten those tomorrow and report back). no CEL's after about 50miles yet. [fingers crossed]

Did you install HFC's too (O2 bungs)? If you only have CBE, it is highly unlikely you'll get a CEL.