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2019 Challenger Hellcat Widebody (destroyer grey)
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642 Posts
I run one and just got tuned with it; am making near 800 whp on 93. You get a good 2psi of added boost and I may also be selling mine if interested and want to save a little. I think I'm going to go ahead and get the ATI 10% overdrive and start modding it further.

It's a nice piece for sure and an easy install. I had absolutely zero problems out of one on my Trackhawk and now the Challenger.
 

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2022 Hellraisen SS
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1,012 Posts
Discussion Starter · #7 ·
I run one and just got tuned with it; am making near 800 whp on 93. You get a good 2psi of added boost and I may also be selling mine if interested and want to save a little. I think I'm going to go ahead and get the ATI 10% overdrive and start modding it further.

It's a nice piece for sure and an easy install. I had absolutely zero problems out of one on my Trackhawk and now the Challenger.
Why are they saying it’s junk are they just messing with me?
 

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2019 Challenger Hellcat Widebody (destroyer grey)
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642 Posts
Why are they saying it’s junk are they just messing with me?
I have no clue man. Not really sure how anyone could say that if they don't have actual data to back it up. It is a nice piece and a good design that works. There have been thousands sold and no issues that I am aware of, other than with people not properly installing them. Like not properly cleaning the mating surfaces of the stock pulley before install, that would cause a slight wobble and belt squeak. It makes for a good choice for those that don't want to hassle with pulling the stock pulley and replacing it and/or pinning the crank. It comes with the upgraded Demon crank bolt as well that keeps any crank slipping at bay.

I'm telling you, I have direct experience with this pulley on two different vehicles and I have not had one problem and see 2-2.5 psi of increased boost.
 

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2017 HC Challenger. no tune----yet.
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535 Posts
It is debatable on whether they work at all on NON TUNED cars AT OR NEAR SEA LEVEL. They have been shown to work on NON TUNED cars at higher elevation but even then all its doing is getting the power back that is lost to due to thinner air at elevation. In this scenario the PCM's tables will allow and compensate favorably because your still in the OEM parameters. You can shove all the air you want into a NON TUNED cars engine by spinning the SC faster but the PCM's tables on an untuned car AKA warranty still intact the PCM will adjust unfavorably. You may even slow down slightly if you put one of these on a NON TUNED car that's at or near sea level. Remember as well that lots of heat is generated by spinning the SC faster.
 

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Challenger SRT Hellcat
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3,819 Posts
Why are they saying it’s junk are they just messing with me?
Because without pinning the crank, you're still going to spin the crank and total your motor. You want real power, you get a dampened crank pulley and pin that. But again, refer to my original post where you're trying to modify the car and when shit happens; and it will, you'll go crying to the dealer for warranty work.

R.K.
 

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487 Posts
OK can you tell me why?
Because it's a stupid ******* idea. If you're going to do it, do it right the first time. Pin the crank and if you MUST overdrive the pulley then get a properly balanced unit. With that POS incognito you're adding unnecessary weight and harmonics which will make it even EASIER to spin the crank.
So like I said. It's crap.
But honestly it's not my car and I don't really care if you blow it up, if you want to get one do it.
 

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Because it's a stupid *** idea. If you're going to do it, do it right the first time. Pin the crank and if you MUST overdrive the pulley then get a properly balanced unit. With that POS incognito you're adding unnecessary weight and harmonics which will make it even EASIER to spin the crank.
So like I said. It's crap.
But honestly it's not my car and I don't really care if you blow it up, if you want to get one do it.
So just curious, which one would you get?
 

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487 Posts
So just curious, which one would you get?
None.
The easiest and most cost effective option is to pin the stock pulley and get any boost increase from going with a smaller upper.
if I HAD to get an overdrive pulley I'd get the one from MMX. But I think it's a waste of money.

 

· Administrator
Challenger SRT Hellcat
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8,160 Posts
I went with an ATI but it was a complete rebuild so it was easy to install it. Honestly didn’t even know MMX had one
They just announced it recently.
 

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Challenger SRT Hellcat
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8,160 Posts
Installing the ATI as it isn't much more work when you are already pinning the crank.
Easier than doing an upper.
 

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2017 HC Challenger. no tune----yet.
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535 Posts
I'll tap out with this. Ripatune incognito pulley will do nothing for a non tuned cat at or near sea-level. I wish he would just say that. It will however add power to varying degrees with a tune. But if your going to tune you might as well do it right by pinning and a proper lower and upper. I have to believe that Ripa intended his pulley as a baby step if you will device in the beginning to more mods with the intention that " results" truly will very. I don't believe he intended it as a warranty safe mod because it isn't. Now that it's 2021 and Hellcats are commonplace there are way better and safer options on the market to accomplish the same thing.
 

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2019 Challenger Hellcat Widebody (destroyer grey)
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642 Posts
Because it's a stupid *** idea. If you're going to do it, do it right the first time. Pin the crank and if you MUST overdrive the pulley then get a properly balanced unit. With that POS incognito you're adding unnecessary weight and harmonics which will make it even EASIER to spin the crank.
So like I said. It's crap.
But honestly it's not my car and I don't really care if you blow it up, if you want to get one do it.
I'd just like to see the engine failure data from the incognito causing harmonic issues you speak of, out of the thousands sold.....
 

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173 Posts
I have incognito on my b5 blue hellcat and it works great it added 2lbs. It comes with a new crank bolt so when you pull the old bolt out.Buy you a pinning kit and if you dont have right angle drill it's very easy to pin it.I actually double pinned mine just because it was so easy.And as far as out of balance fine's been of for 2 yrs. and runs fine.The only problem I had is I already have 2.85 upper and by adding the sleeve it put me at 17lbs.
 
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