Hytech Full Exhaust Impressions...
03-24-2009, 01:49 PM
#1
Special-K
Thread Starter
Hytech Full Exhaust Impressions...
I just installed the exhaust system yesterday and had a few days to drive around and had a few sprinted sessions. Now first i'll start with the sound. When first starting the car you can hear a nice deep tone but settles down once the car warms up and you can barely hear that the car has an exhaust system. When driving its not raspy at all.. still nice and deep. You hear it more within the first 3 gears and after that its really low and hard to hear... 5th and 6th gear cruising you dont hear anything really unless you mash the gas.
Now with sprinted driving..
The car just screams! You can actually hear the vtec cross over @5k rpms (reflash). Before this i had the DC header and RT Cat on the stock exhaust. The car pulls alot harder than that combo i had and has more of a solid feel when accelerating now. I can only just imagine how much faster this car is gonna be after I install these stage 2 cams..
Now with sprinted driving..
The car just screams! You can actually hear the vtec cross over @5k rpms (reflash). Before this i had the DC header and RT Cat on the stock exhaust. The car pulls alot harder than that combo i had and has more of a solid feel when accelerating now. I can only just imagine how much faster this car is gonna be after I install these stage 2 cams..
03-24-2009, 07:22 PM
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03-24-2009, 07:24 PM
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03-24-2009, 11:07 PM
#10
Special-K
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Was this with the hytech full exhaust?? I have no CEL's.. runs very well and its used. Dyno day is set for this thursday at 9am so i'll post the numbers. Hopefull they still have my old dyno sheet on file so they can compare the difference from when i just had the reflash and DC header. Im gonna try to record the dyno session from my phone so hopefully all goes well with that.
03-24-2009, 11:09 PM
#11
Special-K
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Im gonna tune with K-pro.. dont have it yet.. wanted to get the exhaust first.. Hytech is hard to get so i had to jump on it while it was available..
03-25-2009, 01:57 AM
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03-25-2009, 08:02 AM
#14
Burning Brakes
my Hytech header+cat should be here Friday For confirmation, Josh @ Excelerate deals with them so you can either go through him or contact Hytech directly. Their stuff is very expensive, but based on the dynos/impressions it looks like it's worth it.
Last edited by DAYTA; 03-25-2009 at 08:05 AM.
03-25-2009, 12:51 PM
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03-25-2009, 03:42 PM
#17
Burning Brakes
???Actually, I didn't order the full Hytech setup, just the header and 2.5" cat. I plan to mod the B-pipe on my Comptech catback as I'm hoping it will still provide sufficient exhaust flow for my purposes.
I talked to John @ Hytech, and I was incorrect - it looks like the wait time is still a few months at minimum. He said that I just got REALLY lucky because he had just finished building an extra header very recently
.Precyse, sorry to hijack your thread - congrats on the setup! I can't wait to feel the difference for myself
.
03-26-2009, 11:57 AM
#18
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Who said I'm going K-Pro ???
Actually, I didn't order the full Hytech setup, just the header and 2.5" cat. I plan to mod the B-pipe on my Comptech catback as I'm hoping it will still provide sufficient exhaust flow for my purposes.
I talked to John @ Hytech, and I was incorrect - it looks like the wait time is still a few months at minimum. He said that I just got REALLY lucky because he had just finished building an extra header very recently.
Precyse, sorry to hijack your thread - congrats on the setup! I can't wait to feel the difference for myself.
???Actually, I didn't order the full Hytech setup, just the header and 2.5" cat. I plan to mod the B-pipe on my Comptech catback as I'm hoping it will still provide sufficient exhaust flow for my purposes.
I talked to John @ Hytech, and I was incorrect - it looks like the wait time is still a few months at minimum. He said that I just got REALLY lucky because he had just finished building an extra header very recently
.Precyse, sorry to hijack your thread - congrats on the setup! I can't wait to feel the difference for myself
.
And great review Precyse. I look forward to more impressions as you drive the car more. I'm also looking forward to those dyno numbers. Definitely keep us posted. If you mod the VTC and get K-Pro later, you'll really be able to extract some power
03-27-2009, 10:59 AM
#19
Special-K
Thread Starter
Ok.. i went to the dyno yesterday morning and im not disappointed but thought i would gain more overall HP but i pretty much gained every where under redline. Im gonna scan the dyno graph later but its dyno jet. Last time i was there for a dyno it was back in 05 and they kept my old dyno readings from when i had I/H/reflash. I made 184hp and 156tq back in 05 but that was not SAE corrected. Now the reason i say this is because now my new numbers are 183hp and 152tq SAE corrected. Regardless i didnt gain much on top but they put both the old and new dyno together and i made about 11hp down low and at midrange.
It confused the hell out of me at first because i was thinking i lost power when i first saw the dyno graph. But after he went from SAE to STD i understood what was going on. I dont know if having 103k miles means anything but my butt dyno tells me im faster. It was also raining here and it took him some time to get the car on the dyno so i dont know if that affected the results as well? The car was still dripping wet! I used my phone to take vids so im gonna see if i can upload them later as well.
It confused the hell out of me at first because i was thinking i lost power when i first saw the dyno graph. But after he went from SAE to STD i understood what was going on. I dont know if having 103k miles means anything but my butt dyno tells me im faster. It was also raining here and it took him some time to get the car on the dyno so i dont know if that affected the results as well? The car was still dripping wet! I used my phone to take vids so im gonna see if i can upload them later as well.
03-27-2009, 11:14 AM
#20
boost owns
Ok.. i went to the dyno yesterday morning and im not disappointed but thought i would gain more overall HP but i pretty much gained every where under redline. Im gonna scan the dyno graph later but its dyno jet. Last time i was there for a dyno it was back in 05 and they kept my old dyno readings from when i had I/H/reflash. I made 184hp and 156tq back in 05 but that was not SAE corrected. Now the reason i say this is because now my new numbers are 183hp and 152tq SAE corrected. Regardless i didnt gain much on top but they put both the old and new dyno together and i made about 11hp down low and at midrange.
It confused the hell out of me at first because i was thinking i lost power when i first saw the dyno graph. But after he went from SAE to STD i understood what was going on. I dont know if having 103k miles means anything but my butt dyno tells me im faster. It was also raining here and it took him some time to get the car on the dyno so i dont know if that affected the results as well? The car was still dripping wet! I used my phone to take vids so im gonna see if i can upload them later as well.
It confused the hell out of me at first because i was thinking i lost power when i first saw the dyno graph. But after he went from SAE to STD i understood what was going on. I dont know if having 103k miles means anything but my butt dyno tells me im faster. It was also raining here and it took him some time to get the car on the dyno so i dont know if that affected the results as well? The car was still dripping wet! I used my phone to take vids so im gonna see if i can upload them later as well.
03-27-2009, 12:08 PM
#21
Special-K
Thread Starter
i never saw or heard them slip but the car was belted down.. and the graph was pretty smooth as well so im not sure. uncorrected it said i made 192hp so if i compare that to my old dyno that was "uncorrected".. its not that bad of a gain.
03-27-2009, 01:24 PM
#22
Burning Brakes
The standard Hondata reflash wasn't mapped to take advantage of the increased exhaust flow, so you won't see more subtantial gains until you go K-Pro and do more engine work. However, you now have an excellent base to work off .
.
03-28-2009, 10:28 AM
#23
Special-K
Thread Starter
03-28-2009, 11:06 AM
#24
Burning Brakes
, can't wait to see the results!
03-28-2009, 05:19 PM
#25
Ok.. i went to the dyno yesterday morning and im not disappointed but thought i would gain more overall HP but i pretty much gained every where under redline. Im gonna scan the dyno graph later but its dyno jet. Last time i was there for a dyno it was back in 05 and they kept my old dyno readings from when i had I/H/reflash. I made 184hp and 156tq back in 05 but that was not SAE corrected. Now the reason i say this is because now my new numbers are 183hp and 152tq SAE corrected. Regardless i didnt gain much on top but they put both the old and new dyno together and i made about 11hp down low and at midrange.
It confused the hell out of me at first because i was thinking i lost power when i first saw the dyno graph. But after he went from SAE to STD i understood what was going on. I dont know if having 103k miles means anything but my butt dyno tells me im faster. It was also raining here and it took him some time to get the car on the dyno so i dont know if that affected the results as well? The car was still dripping wet! I used my phone to take vids so im gonna see if i can upload them later as well.
It confused the hell out of me at first because i was thinking i lost power when i first saw the dyno graph. But after he went from SAE to STD i understood what was going on. I dont know if having 103k miles means anything but my butt dyno tells me im faster. It was also raining here and it took him some time to get the car on the dyno so i dont know if that affected the results as well? The car was still dripping wet! I used my phone to take vids so im gonna see if i can upload them later as well.
04-06-2009, 02:04 PM
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Who said I'm going K-Pro ???
Actually, I didn't order the full Hytech setup, just the header and 2.5" cat. I plan to mod the B-pipe on my Comptech catback as I'm hoping it will still provide sufficient exhaust flow for my purposes.
I talked to John @ Hytech, and I was incorrect - it looks like the wait time is still a few months at minimum. He said that I just got REALLY lucky because he had just finished building an extra header very recently.
Precyse, sorry to hijack your thread - congrats on the setup! I can't wait to feel the difference for myself.
???Actually, I didn't order the full Hytech setup, just the header and 2.5" cat. I plan to mod the B-pipe on my Comptech catback as I'm hoping it will still provide sufficient exhaust flow for my purposes.
I talked to John @ Hytech, and I was incorrect - it looks like the wait time is still a few months at minimum. He said that I just got REALLY lucky because he had just finished building an extra header very recently
.Precyse, sorry to hijack your thread - congrats on the setup! I can't wait to feel the difference for myself
.
04-06-2009, 02:36 PM
#29
Is waiting in
^ You have to modify the B-pipe. Was just talking to John, but I'm so confused of what to buy, K-Pro or header...
Last edited by rex.; 04-06-2009 at 02:39 PM.
04-06-2009, 08:43 PM
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Modification is required to make it work
04-07-2009, 12:09 AM
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