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The O2 extensions help with keeping the CEL light off on the HFC applications but have been met with only limited success in the test pipe application on the 370Z.
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#1 (permalink) |
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The O2 extensions help with keeping the CEL light off on the HFC applications but have been met with only limited success in the test pipe application on the 370Z. However it does work well on the older 03-06 350Z's. The HR motors have much tighter control over the emissions system with an entirely new monitoring algorithm that's much harder to crack with mechanical fixes. Darn cars are getting smarter and smarter. If OBD III, aka "Big Brother", ever comes to fruition we are all in for a world of hurt....
We've had the extended O2 bungs on our HFC's and test pipes since 2005, long before it became "standard" for everyone else.
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#2 (permalink) |
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No problem with CEL on my Stillen HFC's. I have 2000 miles on them so far. I chose them basically I got a deal I couldnt refuse from Stillen at the time by buying thier power pack for the 370. I didnt like the sound at first but after putting some miles on the car with the new exhaust it sounds totally different now. The rasp that it used to have has now all but dissapeared. It has a very deep tone at low rpm. It definitly sounds modified.
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#3 (permalink) |
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Berk HFC's FTW! Love mine.
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2011 Mustang 5.0 | 3.55's | Lethal Performance off road H-Pipe | Magnaflow Muffler Delete | JLT CAI/Bama tuned 417whp/ 404 ft/lbs |
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#5 (permalink) |
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I actually kinda like the hiss, lol.
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2011 Mustang 5.0 | 3.55's | Lethal Performance off road H-Pipe | Magnaflow Muffler Delete | JLT CAI/Bama tuned 417whp/ 404 ft/lbs |
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#7 (permalink) |
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I'm curious about the hiss everyone's talking about. I don't hear any hiss can you guys point to where the hiss appears to come from? or is it associated with the stillen Gen 3 intakes?
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