Sprint booster v2 - Hyundai Genesis Forum
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post #1 of 89 Old 02-06-2017, 04:49 PM Thread Starter
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Sprint booster v2

So I managed to score a sprint booster v2 for a steal and I figured why not. So I got home today and it was on my porch Don't you love when you get home to new stuff?
I installed the sprint booster and it was on red mode from the get go. I said why not, took it for a spin and holy moly! Instant throttle response like almost way too much, no deff way too much. The throttle opens on demand with no delay whatsoever and pulls hard instantly. I tried green and it's a lot easier to drive not as aggressive still instant response from the throttle but you deff can feel it does open a little slower than red. Went back to off(stock) and it's like pressing an eco button on my wife's RAV4 gutless not shutting this baby off haha.

I'll have to update driving impressions as I go to work through the week, I've figured I start with the green setting and go from there.

Impressions so far:
Red mode-
-car feels twitchy have to get used to it, any input the car is moving and moving fast.
-it's not what you think the car does not just open the throttle more with less input just a hell of a lot faster the more gas you give the harder it pulls.

Green mode-
-still super responsive
-throttle body just opens slower but trust me this alone feels like pressing a sport mode

Off (stock)-
-Sluggish boring and seriously feels like an eco button.
-you can deff tell throttle doesn't open quickly enough, there's a build up in power it feels like and finally feels like it opens 100% at 5k

So far I'm loving it, would I pay full retail $269 heck yeah the car feels ready to go peppy and responds to your inputs.
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post #2 of 89 Old 02-12-2017, 10:27 AM
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Dang I should've looked into this before getting my SFR Stage 1.5 canned tune. I've noticed no difference in throttle response after the tune even though it's supposed to make it sharper.

How are you liking the booster over this past week?

2010 3.8 Track 6MT Nord Gray on Black Leather
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post #3 of 89 Old 02-12-2017, 11:19 AM Thread Starter
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I'm still in complete shock and love with it, I have the version two that only has off-sport-race. I'd pay the extra 30 for the v3 that can be more fine tuned. This one the car is always on edge always ready to go balls out. It's a whole different animal. Throttle is still instant and any and every input is responsive every time. The slightest input and the car is moving feels like the car lost 300lbs haha it's hard to explain it's something you have to experience.
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post #4 of 89 Old 02-12-2017, 11:45 AM Thread Starter
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I plan a tune in the spring for other benefits, if you want throttle response this is it.
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post #5 of 89 Old 02-12-2017, 12:51 PM
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Nice, sounds awesome lol. How do you install it and what are the benefits of the V3? Yeah I would recommend not getting a canned tune and just waiting for either the Lap3 handheld or a custom SFR or BTR tune. Canned tunes for the 3.8 are not worth it imo.
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post #6 of 89 Old 02-12-2017, 01:22 PM
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Alright, I just ordered the V3 off their home site for $289.99. from the Youtube videos,(and your post) it looks like just what im after as im not looking to mod, we'll see.
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post #7 of 89 Old 02-12-2017, 04:11 PM
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Steep price for just an agresive throtle tuning.

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post #8 of 89 Old 02-12-2017, 04:14 PM
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I paid $270 not including paying shipping both ways to have my redline increased to 7200 RPM and I couldn't drive my car for a week. And that's the discounted price lol
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post #9 of 89 Old 02-13-2017, 09:22 AM
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At least they offer a 30 day money back guarentee if your not satisfied so if it turns out to be B.S. i can return it like the $313.00 drilled rotors i just bought and returned to Amazon. Poor quality, way thinner, less venting, smaller diameter than stock.
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post #10 of 89 Old 02-13-2017, 10:45 AM Thread Starter
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Trust me when I say you won't return it unless it's too aggressive for you.

The v2 only has 3 modes
-off
-sport
-race

The v3 has
-off
- 8 sport modes
- 8 race modes
- valet mode
- and throttle pedal lockout with PIN number

Install all you need is
- flat head screw driver
-10mm deep
-ratchet

Install:
-remove cap on bottom of accelerator pedal
-remove 10mm nut
-slide pedal up
-unplug pedal
-plug in sprint booster
-find a place for booster mine is behind carpet to the right of pedal towards the top.
-plug in controller
-mount controller where you want
-have fun

Took me 5 minutes
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post #11 of 89 Old 02-13-2017, 10:49 AM Thread Starter
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I had mine for the first week in sport so I could get used to it. Now it's on race and I'm accustomed to it. You just have to becareful if you're driving in snow or icy roads the car kicks out super easy.
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post #12 of 89 Old 02-13-2017, 01:27 PM
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I've got an automatic...what does it do for that? The issue I've always had during autocross is that it automatically upshifts when it hits redline, then when I shift down it bogs (or thinks about it for a second before shifting).

I find it interesting they have a manual and an A/T version.

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post #13 of 89 Old 02-13-2017, 04:12 PM
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I have a 14 ultimate 3.8 auto, yea from what you said and what i picked up on Youtube ive heard nothing but positive comments regarding Sprint booster so im not planing on returning it, im sure i'll be singing its praises. On sprints site they show the V3 can work with either manual or automatic transmission. Im hoping it might make up for that delay i seem to feel in 2nd to 3rd shifts. I know it wont change the transmission shift points or anything but it might help hide that little delay.
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post #14 of 89 Old 02-13-2017, 04:53 PM Thread Starter
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I've never driven one on an auto, but I did talk to a few guys over at bimmerpost and bimmerforums and they swear by it. I had an auto BMW before and knew how that was. It was a dog till 3k rpm and then it pulled like a freight train. The guys said that feeling was gone. I had a e34 540i no slouch haha. Never got to try it on the BMW but having been on the forums a decent while I knew I could trust these guys. Plus the 30day money back was a plus. Let us know how it feels for you on the auto.
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post #15 of 89 Old 02-13-2017, 05:03 PM Thread Starter
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https://youtu.be/fy_d50CaAnE

Did this video about 4 days ago not the best but you can get something out of it. This is about a little more than 1/4 throttle and you can see it jumps right up. I'll try and get one with it off for you to see the difference but the snow hasn't melted yet haha. By the way follow me on insta snow_white380gt
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post #16 of 89 Old 02-13-2017, 05:12 PM
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Quote:
Originally Posted by Snowwhite View Post
https://youtu.be/fy_d50CaAnE

Did this video about 4 days ago not the best but you can get something out of it. This is about a little more than 1/4 throttle and you can see it jumps right up. I'll try and get one with it off for you to see the difference but the snow hasn't melted yet haha. By the way follow me on insta snow_white380gt
Do a shot of your RPMs! How's MPG been?

**** man I really want one now lol. Wondering if I really need the v3 though... Seems a bit unnecessary.
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post #17 of 89 Old 02-14-2017, 04:36 AM Thread Starter
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Mpg has decreased 2mpg due to me having a little more fun, that'll eventually go back up once it becomes normal to me haha. Kind of like when you get a new exhaust. I made a short 3 min clip of me on the way into work today. https://youtu.be/GaKXqI04k4Q

If you want to see more describe what you want to see and I'll try to get it.
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post #18 of 89 Old 02-14-2017, 07:11 AM
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Hi-
Ignorant question ensuing.... If I've already got a 1:1 throttle ratio via BTR custom tune, will this product do anything for me? Multi-mode notwithstanding?
Thanks!

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post #19 of 89 Old 02-14-2017, 11:57 AM Thread Starter
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Quote:
Originally Posted by rjscott2005 View Post
Hi-
Ignorant question ensuing.... If I've already got a 1:1 throttle ratio via BTR custom tune, will this product do anything for me? Multi-mode notwithstanding?
Thanks!
I won't be able to answer that as of yet as I don't have a 1:1 tune. I was told by the sales rep that since this has nothing to do with the tune it'll work with a tuned ecu. I did do some searching and seen a few BMW guys who run this and a autowerk tune combined. So I'm guessing it won't hurt anything just further sharpen response.
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post #20 of 89 Old 02-14-2017, 12:20 PM
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When going full throttle to redline and quickly shifting, do you get a slight power cut? I'm experiencing this on my BK1 3.8 6MT. It only happens if I shift really fast though. It's like a split second hesitation in power after shifting really fast. I'm wondering if this product would cure that because it's really annoying.
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