IS F (2008-2014) Discussion topics related to the IS F model

Exhaust systems

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Old 10-25-12, 08:58 PM
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BigE514
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Default Exhaust systems

I've noticed that a lot of you have Joe Z exhausts on your cars is there a reason why you go for that one over others like issforged? Is it a price thing, performance or just sound preference?
Old 10-25-12, 09:13 PM
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obby
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well one big different between the two, is that the ISS Forged have a different tips which require removing the old one oppose to the the JoeZ which still keep the oem tips in place.. and by the way i have and ISS Forged.
Old 10-25-12, 09:17 PM
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Originally Posted by obby
well one big different between the two, is that the ISS Forged have a different tips which require removing the old one oppose to the the JoeZ which still keep the oem tips in place.. and by the way i have and ISS Forged.
How is the drone with the JoeZ?
Old 10-25-12, 09:20 PM
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obby
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i don't have a JoeZ, i have an ISS forged track with Sikky headers and it barley drone, and quite IMO. But my buddy have a JoeZ with Sikky headers, and his car is louder at WOT and drone louder then mind.. I would of thought mine would be louder because i have no resonator but i guess not

Last edited by obby; 10-25-12 at 09:26 PM.
Old 10-25-12, 10:01 PM
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I wrode on Amgone75 F with PPE and ISS QES and RX7 Rage F sikky with ISS DES. I have the Joe Z with PPE. Those QES sounds louder at woot, but it doesnt drone as much as my Joe Z. Also the DES does not drone also as much. I cant stand the drone on my Joe Z so I remove it. I going to try Borla next.

Originally Posted by obby
i don't have a JoeZ, i have an ISS forged track with Sikky headers and it barley drone, and quite IMO. But my buddy have a JoeZ with Sikky headers, and his car is louder at WOT and drone louder then mind.. I would of thought mine would be louder because i have no resonator but i guess not
Old 10-26-12, 04:56 AM
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MRxSLAYx
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The JoeZ exhaust was pretty much the first full system released. Other than timing, the fact that it is a quality system helps out.
Old 10-26-12, 07:05 AM
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One is also located in FLA and the other in CA...depending on your Coastal preferences.



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Old 10-26-12, 07:24 AM
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Joe-z is best for the price in my POV, sounds damn good too!
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Old 10-26-12, 05:43 PM
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anxiouz
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When I first got my car and did research I too was intrigued by how many JoeZ exhausts there were. I had never heard of JoeZ or PTS so I figured it was just the first available or may not be that good for a daily driver. NOT true.

I had previously tried just the simple Borla axle-back as my first car mod and although it's wicked cheap, I will never recommend that system. The Borla cat-back I've read is way better but the axle-back was terrible in comparison to the JoeZ. It just added volume/boom in the cabin (although it sounds great outside the car).

I actually prefer the ISS DES exhaust sound and tips and wanted that exhaust but $2,200 + tax was too much for my wallet. The used JoeZ was about half that so I simply couldn't pass it up.

I found a deal on a used JoeZ and, honestly, it's freaking awesome! It sounds perfect and exactly what you would want in a tasteful, V8 exhaust. Gorgeous sound. Quiet when you want, loud when you floor it. Personally I don't have any drone at all and have ZERO complaints about it.

So don't let the name fool you (like it did me) because it's not a GReddy or HKS...the JoeZ is a fantastic(!!!) exhaust. It's common because it's outstanding.
Old 10-27-12, 02:11 PM
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BigE514
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since I already have a thread what's the difference between PPE headers and sikky headers? Does one of them have more problems than the other? Better quality? more HP gains?
Old 10-27-12, 02:24 PM
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I have sikky headers and a joe z exhaust. the joe z pts was the first high quality full cat back for the isf that made a real 20wheel horsepower and sounds great. i get compliments on the systems sound all the time and it has very little drone even with no cats and race headers
Old 10-27-12, 02:32 PM
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Since we're talking about sound preference.... I could suggest deleting the mufflers and secondary cats, and getting stainless steel pipes welded in place. Sounds wicked and very unique, and won't break your wallet like these $1K+ exhausts. Not to mention the car loses about 50lb of muffler weight and you will get a decent amount of HP gain.....although I did it mainly for sound.
Old 10-27-12, 02:58 PM
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Originally Posted by BigE514
since I already have a thread what's the difference between PPE headers and sikky headers? Does one of them have more problems than the other? Better quality? more HP gains?
They are pretty much the same. The PPE have a better build quality.
Old 10-27-12, 02:59 PM
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Originally Posted by BigE514
since I already have a thread what's the difference between PPE headers and sikky headers? Does one of them have more problems than the other? Better quality? more HP gains?
For me, Quality and support after the sale. They both Dyno about the same. See this thread:

https://www.clublexus.com/forums/is-...e-headers.html

Scroll down to at least post No. 13. BTW, I have a custom fabricated dual exhaust system that utilizes modified factory mufflers. I couldn't tolerate the noise or drone of any aftermarket system.

Lou
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