Disappointing HKS Dual Exhaust Dyno Numbers!
Like i said, an ECU reset should have been done.
The disappointing numbers (from other people as well) were a result of slapping on the exhaust without resetting the ECU.
Reset the ECU before dyno-ing.
Did i mention? Reset the ECU?
Try resetting the ECU next time.
The disappointing numbers (from other people as well) were a result of slapping on the exhaust without resetting the ECU.
Reset the ECU before dyno-ing.
Did i mention? Reset the ECU?
Try resetting the ECU next time.
Originally Posted by wan2hmp247
how do you reset the ecu?
https://g35driver.com/forums/faq-diy/6538-ecu-resets.html
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Joined: Aug 2005
Posts: 681
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From: Chesapeake Bay, MD.
Originally Posted by MEECHIN
Like i said, an ECU reset should have been done.
The disappointing numbers (from other people as well) were a result of slapping on the exhaust without resetting the ECU.
Reset the ECU before dyno-ing.
Did i mention? Reset the ECU?
Try resetting the ECU next time.
The disappointing numbers (from other people as well) were a result of slapping on the exhaust without resetting the ECU.
Reset the ECU before dyno-ing.
Did i mention? Reset the ECU?
Try resetting the ECU next time.
Originally Posted by DP03
He drove the car for 3 weeks before dyno. His ECU had plenty of time. As said above, guys, you do exhaust on these cars for sound...
Thread Starter
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Registered User
Joined: Sep 2005
Posts: 329
Likes: 3
Originally Posted by andy2434
Hmmm . . . I thought increase would have been a bit more than that. How many miles did you have on the HKS prior to the dyno run?
Plain and simple...
-Reset the ECU
-Do a few WOT runs
-Dyno for optimum numbers
Granted, some cars are so dummed down from months of granny driving, they can't EVER come back.
I've seen G's like this.
It's sad to watch.
Bottom line, if you're not happy with the exhaust, real sorry.
Take it off, sell it, whatever.
For me, it's worked out pretty well.
Both BUTT-DYNO and true DYNO's.
Diesel350:
I know u doubt it, but try it.
What have u got to lose?
Reset the ECU and gun the crap out of your car.
Hopefully u'll notice some better pull.
Your car is brand new. An 06.
It might be that the new Rev-Up engines don't go well with HKS.
But i still say try the ECU reset before making any final conclusions.
Let us know how it goes.
POB
DRU
-Reset the ECU
-Do a few WOT runs
-Dyno for optimum numbers
Granted, some cars are so dummed down from months of granny driving, they can't EVER come back.
I've seen G's like this.
It's sad to watch.
Bottom line, if you're not happy with the exhaust, real sorry.
Take it off, sell it, whatever.
For me, it's worked out pretty well.
Both BUTT-DYNO and true DYNO's.
Diesel350:
I know u doubt it, but try it.
What have u got to lose?
Reset the ECU and gun the crap out of your car.
Hopefully u'll notice some better pull.
Your car is brand new. An 06.
It might be that the new Rev-Up engines don't go well with HKS.
But i still say try the ECU reset before making any final conclusions.
Let us know how it goes.
POB
DRU
Last edited by MEECHIN; Mar 2, 2006 at 02:17 AM.
Thread Starter
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Registered User
Joined: Sep 2005
Posts: 329
Likes: 3
Originally Posted by MEECHIN
Yeah.. plenty of time to adjust to it while still in granny mode.
Plain and simple...
-Reset the ECU
-Do a few WOT runs
-Dyno for optimum numbers
Granted, some cars are so dummed down from months of granny driving, they can't EVER come back.
I've seen G's like this.
It's sad to watch.
Bottom line, if you're not happy with the exhaust, real sorry.
Take it off, sell it, whatever.
For me, it's worked out pretty well.
Both BUTT-DYNO and true DYNO's.
Diesel350:
I know u doubt it, but try it.
What have u got to lose?
Reset the ECU and gun the crap out of your car.
Hopefully u'll notice some better pull.
Your car is brand new. An 06.
It might be that the new Rev-Up engines don't go well with HKS.
But i still say try the ECU reset before making any final conclusions.
Let us know how it goes.
POB
DRU
Plain and simple...
-Reset the ECU
-Do a few WOT runs
-Dyno for optimum numbers
Granted, some cars are so dummed down from months of granny driving, they can't EVER come back.
I've seen G's like this.
It's sad to watch.
Bottom line, if you're not happy with the exhaust, real sorry.
Take it off, sell it, whatever.
For me, it's worked out pretty well.
Both BUTT-DYNO and true DYNO's.
Diesel350:
I know u doubt it, but try it.
What have u got to lose?
Reset the ECU and gun the crap out of your car.
Hopefully u'll notice some better pull.
Your car is brand new. An 06.
It might be that the new Rev-Up engines don't go well with HKS.
But i still say try the ECU reset before making any final conclusions.
Let us know how it goes.
POB
DRU
I've talked to several tuners and they all told me it won't make a bit of difference. I forgot the exact technical reason but I'm sure there is a tuner on here that can explain why. I'm very happy with the exhaust, I guess I was too worried about my peak numbers but if you look at the area under the curve the gains are very impressive.
Originally Posted by Diesel350
Here is the dyno. Lower line is stock and top line is MREV plus HKS.
What do u mean theres no gain??? you gain a lot more hp throughout the pw band. U see as much as 20hp gain from 220 to 240. Yes the peak is only 8hp but look at the gain everywhere else.
Last edited by Mr_pharmD; Mar 1, 2006 at 11:24 PM.
Originally Posted by Mr_pharmD
What do u mean theres no gain??? you gain a lot more hp throughout the pw band. U see as much as 20hp gain from 220 to 240. Yes the peak is only 8hp but look at the gain everywhere else.
