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Old 04-08-2021, 10:08 PM   #1
PilotKD
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Default 2017 WRX - BrenTuned

2017 WRX - Had BrenTuning do the installation of some of the below components and the tune (nothing but great things to say about them btw).

GS TMIC
GS Charge Pipe
GS EBCS
Cobb Big SF Intake
Cobb BPV
Cobb Catted/Resonated J-pipe
KillerB Swaincoated IWG Header
Perrin cat-back exhaust
Radium AOS
Fresh set of plugs and an intake valve walnut blasting immediately prior to tuning.

I did not get a before dyno, but the car had a high-flow drop in air filter, GS TMIC, GS Charge pipe and Perrin cat-back with the Cobb Stage 1 93 octane map on it when it went in for the rest of the mods so I assume I was somewhere in the 255-260whp range beforehand if a stock 2015+ dynos around 240-245.

338whp/335ft-lb torque

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Old 04-08-2021, 10:51 PM   #2
K3rm1tth3fr0g
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Nice numbers
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Old 04-08-2021, 11:04 PM   #3
PilotKD
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Thanks!
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Old 04-09-2021, 10:22 AM   #4
K3rm1tth3fr0g
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Thanks!
Got any clips of it? I love the sound of tuned FA motors w/ exhausts.
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Old 04-09-2021, 10:48 AM   #5
SnoBrrru
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I hope you got a pic of your intake manifold before and after on the media blasting. I have mine saved from doing it at 60k. Ahhh... memories.
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Old 04-09-2021, 04:24 PM   #6
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Got any clips of it? I love the sound of tuned FA motors w/ exhausts.
Unfortunately I did not get a clip of the dyno tuning. They have a no-contact COVID policy right now so you pretty much dropped the car off and let them do their thing and then pick it up. The car does sound nice with this setup. There is a little drone even with two resonators, but it's not bad. The tone is very throaty. 1st gear flies by so fast now it's insane. I barely get time to shift. Driving around town though, I can't even tell the difference. Super smooth.
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Old 04-09-2021, 04:29 PM   #7
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I hope you got a pic of your intake manifold before and after on the media blasting. I have mine saved from doing it at 60k. Ahhh... memories.
I have nearly 43,000 miles on the car. Chris said that he had seen worse, but it was worth doing. I unfortunately didn't get any before and after pics. I was originally supposed to get the IBR full tgv deletes installed on the car, but due to the recent EPA regulation changes, I had to cancel those plans. Such a shame because I think the car would have broke 350whp with those. Time to sell them NIB I guess. I figured while they were doing the deletes that it'd be worth doing the valves as well even though I didn't have that many miles but I decided to have them do the valves anyway along with new plugs to get a clean tune.
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Old 04-09-2021, 05:53 PM   #8
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I had my 2016 WRX done by Brentuning recently and my experience with them was the same. They were on point, professional and easy to work with. I had 336 whp when they were done. TGV deletes, EBCS, 30K mile maintenance, cobb titanium exhaust.

EDIT.. I had previously installed a Cobb Big SF intake before the tune and Bren tuned it to 18 PSI.

Last edited by Mycroft_Groks; 04-10-2021 at 04:09 PM.
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Old 04-09-2021, 09:10 PM   #9
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Originally Posted by Mycroft_Groks View Post
I had my 2016 WRX done by Brentuning recently and my experience with them was the same. They were on point, professional and easy to work with. I had 336 whp when they were done. TGV deletes, EBCS, 30K mile maintenance, cobb titanium exhaust.
Wow, 336whp with just TGV deletes and a Cobb exhaust? No J-pipe? No intake? No intercooler upgrade?
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Old 04-10-2021, 04:07 PM   #10
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Wow, 336whp with just TGV deletes and a Cobb exhaust? No J-pipe? No intake? No intercooler upgrade?
Oh, I had the Cobb Big SF intake already installed. Shoulda mentioned that. I put that in myself. Also they bumped up the boost to 18 PSI though, so that is a factor.
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Old 04-10-2021, 04:54 PM   #11
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Oh, I had the Cobb Big SF intake already installed. Shoulda mentioned that. I put that in myself. Also they bumped up the boost to 18 PSI though, so that is a factor.
My boost peaks at 23 PSI and I'm making 338 wheel horsepower with more mods than you are. Your car must be abnormally strong from factory.
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Old 04-10-2021, 05:18 PM   #12
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Originally Posted by PilotKD View Post
My boost peaks at 23 PSI and I'm making 338 wheel horsepower with more mods than you are. Your car must be abnormally strong from factory.
I'm the second owner. My normal mechanic mentioned that the engine HAS been opened before and suggested that I go to a specialist to look at the car, so I went to Bren. The exhaust was part new, part OEM from 2016, so I decided to just change it all out to the Cobb titanium exhaust.

When I bought the car, the dealership ASSURED me that it was never modified.....but they mentioned they had to reflash the car.....and they sold it to me with a trunk full of a Cobb Big SF intake, Cobb V3 accessport, Aftemarket headlights and a noname axleback exhaust..so...

My boost has peaked to 22.3 on one occasion and normally goes up to 20.2 before it settles at 18.

I'm planning of doing an AOS, oil cooler, Verticooler with charge pipe, Killer B headers and a Cobb resonated J-pipe in the near future.

EDIT.. I see you were there on the 7th of this month. I went in the same location on March 17th.
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Old 04-10-2021, 09:39 PM   #13
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Nice numbers! Bren is a great tuner. Glad we could be a part of it!
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Old 04-10-2021, 11:18 PM   #14
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Nice numbers! Bren is a great tuner. Glad we could be a part of it!
Thanks! Your header is a work of art! Too bad you can't see them installed on a boxer motor, but I know without them, I probably wouldn't have gotten much above 315. I made sure I snapped some pics before I had them installed though.



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Old 04-10-2021, 11:46 PM   #15
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Quote:
Originally Posted by Mycroft_Groks View Post
I'm the second owner. My normal mechanic mentioned that the engine HAS been opened before and suggested that I go to a specialist to look at the car, so I went to Bren. The exhaust was part new, part OEM from 2016, so I decided to just change it all out to the Cobb titanium exhaust.

When I bought the car, the dealership ASSURED me that it was never modified.....but they mentioned they had to reflash the car.....and they sold it to me with a trunk full of a Cobb Big SF intake, Cobb V3 accessport, Aftemarket headlights and a noname axleback exhaust..so...

My boost has peaked to 22.3 on one occasion and normally goes up to 20.2 before it settles at 18.

I'm planning of doing an AOS, oil cooler, Verticooler with charge pipe, Killer B headers and a Cobb resonated J-pipe in the near future.

EDIT.. I see you were there on the 7th of this month. I went in the same location on March 17th.
So did they install your TGV deletes? Interesting that you were there on the 17th because on the 10th, they emailed me to tell me they wouldn't be able to do anything with TGV deletes due to the EPA regulations so I never had mine installed. I think there's definitely some horsepower to be unlocked by TGV-d's on this car. That may be why you got similar numbers without the header. I had planned to put full IBR deletes in and like I said, I think I would have broke 350 with them, but in the grand scheme of things, I don't think I'd really feel the difference between 338 and 350.
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Old 04-11-2021, 12:58 PM   #16
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So did they install your TGV deletes? Interesting that you were there on the 17th because on the 10th, they emailed me to tell me they wouldn't be able to do anything with TGV deletes due to the EPA regulations so I never had mine installed. I think there's definitely some horsepower to be unlocked by TGV-d's on this car. That may be why you got similar numbers without the header. I had planned to put full IBR deletes in and like I said, I think I would have broke 350 with them, but in the grand scheme of things, I don't think I'd really feel the difference between 338 and 350.
I'd rather not comment on that for obvious reasons.
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Old 04-11-2021, 01:35 PM   #17
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I'd rather not comment on that for obvious reasons.
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Old 04-11-2021, 01:47 PM   #18
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If I remember, I'll post my dyno numbers when I get home.
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Old 04-11-2021, 01:48 PM   #19
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Originally Posted by KillerBMotorsport View Post
Nice numbers! Bren is a great tuner. Glad we could be a part of it!
I'm saving up to buy your headers as well. After all, there are no headers finer than Killer B's on the FA20.
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Old 04-12-2021, 02:31 PM   #20
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I'm saving up to buy your headers as well. After all, there are no headers finer than Killer B's on the FA20.
True. I'm curious to see where your numbers are and the area underneath the curve without headers, but with TGVD's vs. mine with headers and without TGVD's.
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Old 04-21-2021, 10:19 AM   #21
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True. I'm curious to see where your numbers are and the area underneath the curve without headers, but with TGVD's vs. mine with headers and without TGVD's.

https://img.nasioc.com/image/20210421-101532.hYs55

Both look fairly identical.

Last edited by Mycroft_Groks; 04-21-2021 at 10:26 AM.
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Old 04-21-2021, 02:52 PM   #22
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Definitely pretty close. Looks like mine held about 9whp/10wtq more on average and it looks like that came from more midrange power/torque from the header. I was pretty shocked at how flat my torque "curve" was. It's almost roots supercharger flat.
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Old 04-21-2021, 03:51 PM   #23
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Definitely pretty close. Looks like mine held about 9whp/10wtq more on average and it looks like that came from more midrange power/torque from the header. I was pretty shocked at how flat my torque "curve" was. It's almost roots supercharger flat.
Yeah! Mine topped off at around 5700 and yours was just after. The added whp from yours isn't that much more, but I'm still doing the killer B headers and Cobb resonated J-Pipe. I'm most likely going with a Pinnacle west veriticooler instead of the grimmspeed that you did.

With luck, I'll have them in by the end of the year.
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Old 04-21-2021, 04:04 PM   #24
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I am still amazed you made that much power with those mods. I would have guessed 285 or so, but 330whp without an aftermarket IC and J-pipe is pretty strong.

Last edited by PilotKD; 04-21-2021 at 04:45 PM.
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Old 04-22-2021, 07:52 AM   #25
K3rm1tth3fr0g
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I am still amazed you made that much power with those mods. I would have guessed 285 or so, but 330whp without an aftermarket IC and J-pipe is pretty strong.
And on a mustang dyno no less. I bet this thing scoots.
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