Hey guys, currently I'm running non resonated test pipes , Topspeer 2.5 inch dual cat back, and my own shirt tails with those hemlotz resonators in them. Leo you think
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09-30-2014, 02:52 PM | #1 (permalink) |
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Straight piped for power
Hey guys, currently I'm running non resonated test pipes , Topspeer 2.5 inch dual cat back, and my own shirt tails with those hemlotz resonators in them. Leo you think I am loosing any significant power ?? My car is a 2014 Nismo 370z btw
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09-30-2014, 08:31 PM | #7 (permalink) |
Ronin Samurai - Assassin
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Do you know what your A/F is? With the muffler gone. You might be lean.
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09-30-2014, 09:34 PM | #10 (permalink) |
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Don't worry about running lean. I put a custom dual with top speed axle backs and my Z screams. I even picked up 2-3mpg too. I'm at 22.5 on daily and 28 hwy. Go for it and you will be happy. There is a bit of drone tho.
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09-30-2014, 10:19 PM | #11 (permalink) | |
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As for consequences, if you were really lean it could cause detonation and damage your engine. I doubt that's happening though. The ECU will compensate as much as it can.
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09-30-2014, 10:47 PM | #12 (permalink) | |
Ronin Samurai - Assassin
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Quote:
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10-01-2014, 01:00 AM | #13 (permalink) |
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wow, so exactly how much power (hp and torque) am I really loosing from being straight piped on my nismo? even with a tune will I never have as good power output as with mufflers?
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10-01-2014, 02:53 AM | #14 (permalink) |
Ronin Samurai - Assassin
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Hard to guess on power loss. The only way to know for sure is to dyno before and after. You lost a couple ponies, and some torque on top. How much, don't know. With a tune. You might be more then what you had before the mods. Don't know because you have no base line.
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浪人 - 殺し屋 "The Difficult Anytime, The Impossible By Appointment Only" http://www.the370z.com/members-370z-...o-journal.html Last edited by Rusty; 10-01-2014 at 07:13 AM. |
10-01-2014, 03:16 AM | #15 (permalink) |
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Probably not losing any power down low -- test pipes and exhaust delete are common mods that haven't shown losses to the best of my knowledge -- and you almost certainly gained a good bit up top.
Now, how the ECU has adjusted to these changes (especially without a tune to deal with the missing cats...) isn't clear. Do you have a CEL (SES) light on?
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