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Help identifying diffuser

1235 Views 17 Replies 7 Participants Last post by  Bhdau1
Can anyone identify this diffuser? I cannot seem to find it anywhere on the interwebs.


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it looks somewhat after market. do you know the exact application?
Looks like a ricer DIY. Just no.
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it looks somewhat after market. do you know the exact application?
2014 Challenger R/T, saw it on challenger talk user named SlammedRT but don't have an account over there lol
Looks custom made
Thats what I was thinking too but figured it wouldn't hurt to ask
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that looks pretty close. kinda pricey but if they had tooling cost then that explains it. cool looking
@Adakar I may end up having to fabricate one aliexpress is iffy lol

@northwoodgt40 I'm looking for a truly functional one which I can tie into a full belly pan eventually. I know ZL1 offers a seemingly functional piece but it doesnt come under the exhaust outlets/sides like the one in the picture. Shouldn't be too bad adding that in myself.
Front and rear by APR. Not the same as what you asked for but similar and probably better


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@Adakar I may end up having to fabricate one aliexpress is iffy lol

@northwoodgt40 I'm looking for a truly functional one which I can tie into a full belly pan eventually. I know ZL1 offers a seemingly functional piece but it doesnt come under the exhaust outlets/sides like the one in the picture. Shouldn't be too bad adding that in myself.
the Ford GT uses riveted on fiberglas diffusers onto an aluminum belly pan. maybe you could find just the diffuser fins by themselves somewhere to accomplish what you want

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the Ford GT uses riveted on fiberglas diffusers onto an aluminum belly pan. maybe you could find just the diffuser fins by themselves somewhere to accomplish what you want
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Front and rear by APR. Not the same as what you asked for but similar and probably better


Lol, I doubt he wants to have another car payment. APR raised their high prices even more. Do not go CF unless you need it for racing. Hit one thing with that splitter, its junk.
Lol, I doubt he wants to have another car payment. APR raised their high prices even more. Do not go CF unless you need it for racing. Hit one thing with that splitter, its junk.
Sorry I wasted your time with my post!! 😂
C'mon, I was just pointing out most people do not want to spend $2,200 on parts like this....
The ZL1 pieces are like $500 and that is expensive......
C'mon, I was just pointing out most people do not want to spend $2,200 on parts like this....
The ZL1 pieces are like $500 and that is expensive......
I have seen many people spend way too much on all kinds of things. Some people just see what they want and get it like spending $20k+ on an engine when the one thats in your car is still working fine and they hardly drive it.

OP asked about a diffuser and thats the only one I have seen in my two weeks of owning a Hellcat and posted it.
I bought the ZL1 deluxe standard diffuser and I like it OK. It does come attached to a aluminum belly pan that goes all the way forward to the crossmember behind the differential. You have to do some modification if you have a diff brace which I did. My only real complaint is that I wish the fins were a little shorter and contoured to match the contour of the underside of the bumper and black skirt back there. I have thought many times about removing it and contouring the fins better myself but it would be a big PITA. I contacted ZL1 and asked if they would make me a custom diffuser to match what I wanted and was willing to pay whatever they felt was fair to do so but they declined. I guess they have enough work as it is. I will say this, it definitely decreased the amount of road wash/crap that ends up on your rear bumper and trunk so it does work as it was designed to.
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