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

JoeZ Exhaust + Intake Dyno = +26 RWHP +19 RWTQ SAE

Old 01-30-09, 04:44 PM
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timeToy
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Default JoeZ Exhaust + Intake Dyno = +26 RWHP +19 RWTQ SAE

See update here: https://www.clublexus.com/forums/is-...ml#post4271223

Folks,

I finally get a chance to get a proper dyno run with my PTS/JoeZ Exhaust installed, and the results are very good !

Both runs were done at the same shop on the same dyno, with the same technician, both in 6th gear, with all accessories turned off (no A/C, no Audio, no Lights, iPod and radar detector unplugged).


Click for high resolution graph

+20 HP and +10 ft.lbs SAE corrected at the wheels

I even made a quick HD video, just so you guys can enjoy the sound !
http://www.youtube.com/watch?v=FDfCbnr_4tE&fmt=22

Last edited by timeToy; 02-20-09 at 12:23 AM.
Old 01-30-09, 05:05 PM
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wj4
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Good numbers. Now that's a lower car friendly dyno!
Old 01-30-09, 05:32 PM
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IS-Fast!
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Great numbers timeToy! What octane fuel did you use in both runs, did you use 91 octane since you are in Cal?
Old 01-30-09, 05:41 PM
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Wow! Thats great! I bet you really notice the top end improvement!
Old 01-30-09, 05:48 PM
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CrazyMPG
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haha nice!...you also have nice baseline numbers...haha why is mine only 334whp baseline!!!
Old 01-30-09, 06:05 PM
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LexISguy
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Nice numbers 3whp short of houstonT.
Old 01-30-09, 06:13 PM
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ISFer
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Very nice, TimeToy......kudos .. great numbers....and the sound is awesome.

Originally Posted by CrazyMPG
haha nice!...you also have nice baseline numbers...haha why is mine only 334whp baseline!!!
Probably normal variation between dynos and engines.....

Colin.
Old 01-30-09, 06:32 PM
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caymandive
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Seems like all the dyno's in CA read low. Maybe the 91octane is the culprit. I got 357hp and 345tq so looking at these results I can hope for almost 380whp with exhaust. Gotta hurry up and file my taxes. Nice job Timetoy the graph looks very clean.

Last edited by caymandive; 01-30-09 at 06:42 PM.
Old 01-30-09, 07:18 PM
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wj4
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Originally Posted by caymandive
Seems like all the dyno's in CA read low. Maybe the 91octane is the culprit. I got 357hp and 345tq so looking at these results I can hope for almost 380whp with exhaust. Gotta hurry up and file my taxes. Nice job Timetoy the graph looks very clean.
91 plays a factor definitely. Other factors that play a role include the weather, what type of dyno, ie DynoJet, Mustang, Dyno Dynamics, and how it was SAE corrected.
Old 01-30-09, 07:43 PM
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Originally Posted by IS-Fast!
(...)What octane fuel did you use in both runs, did you use 91 octane since you are in Cal?
Yes I used 91 Octane Gas, since I'm in So Cal !

Originally Posted by DFLORES
Wow! Thats great! I bet you really notice the top end improvement!
Yes you can definitely tell around 6000 RPM.

Originally Posted by caymandive
(...)Nice job Timetoy the graph looks very clean.
Make you own pretty graphs with your *.drf files http://www.dynojet.com/downloads/software.aspx
Old 01-30-09, 08:49 PM
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BigMikeISF
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Great job Timetoy! Solid gains from about 3k on up How are your liking the exhaust so far?
Old 01-30-09, 09:38 PM
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Did you get A/F readings?
Old 01-30-09, 09:38 PM
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MRxSLAYx
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Wow. Nice results.I think the exhaust might replace a tune as my next purchase for the car.
Old 01-31-09, 05:28 AM
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LexISguy
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kudos to joe this exhaust has tuned into the best bang for your buck. As for the tune same power for 3k hmmm.
Old 01-31-09, 07:24 AM
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Originally Posted by MRxSLAYx
Wow. Nice results.I think the exhaust might replace a tune as my next purchase for the car.
Yeah i was leaning towards the tune but now that Bigmike and others like the exhaust i think i will get it instead! i will also save money!

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