School me on RAM 5.7L HEMI Exhaust Manifold Kits

[HBarlow]

Personally I believe that bossmans truck would be so much better sounding and looking with these. Preferably up through the hood imo.😈

Hedman Hedders

Pit Stop USA has a great selection of Hedman Hedders headers and exhaust system components on sale now at low everyday prices.

pitstopusa.com

View attachment 412533

Lower the front end, add some nitro and release the vrooom!

The current 5.7 liter hemi V8 engine used in Chrysler 300C, Dodge Charger, Dodge Challenger, and Ram 1500, 2500, and 3500 pickups is not a 392 ci.

I don't know if the Hedman headers might fit but I don'[t think that's the same engine.

 

[Admin]

 

[Mopower58]

The current 5.7 liter hemi V8 engine used in Chrysler 300C, Dodge Charger, Dodge Challenger, and Ram 1500, 2500, and 3500 pickups is not a 392 ci.

I don't know if the Hedman headers might fit but I don'[t think that's the same engine.

5.7 is 345 ci and the 6.4 is 392 ci. I don’t think they use the same head so the exhaust port configuration would probably be different.

 

[Vikes79]

The current 5.7 liter hemi V8 engine used in Chrysler 300C, Dodge Charger, Dodge Challenger, and Ram 1500, 2500, and 3500 pickups is not a 392 ci.

I don't know if the Hedman headers might fit but I don'[t think that's the same engine.

My comments were in tongue in cheek….

 

[JenElio]

My comments were in tongue in cheek….

-SHE-

NoMo!!!

 

[Vikes79]

-SHE-

NoMo!!!

Well…maybe 🤷‍♂️🤣

Definitely nomo fo sho

 

[Mopower58]

I'm going to do it.

How long does it take you to do it? The add for the manifolds says 2 hrs and 33 minutes. 🤔

 

[Hondasxs]

How long does it take you to do it? The add for the manifolds says 2 hrs and 33 minutes.

I'd say that's about right if you hit it non stop.

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[JenElio]

I'd say that's about right if you hit it non stop.

................ TWSS!!!!!

 

[Vikes79]

I'd say that's about right if you hit it non stop.

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I hope it wasn’t too exhausting iykwim…🤣

 

[john790]

So did you get them on.And no leaky.You might try to ck bolts in a few weeks

 

[Mopower58]

@Hondasxs did you get your manifolds replaced? I ordered my kit today.

 

[Backwoods]

@Hondasxs did you get your manifolds replaced? I ordered my kit today.

I hate your Ram is acting up Mopower

 

[Mopower58]

I hate your Ram is acting up Mopower

Is that your tongue in your cheek? It’s all good, like Bossman said, in 7 years it’s the only problem it’s had. I’ve replaced the battery, wiper blades and tires.

 

[Backwoods]

Is that your tongue in your cheek? It’s all good, like Bossman said, in 7 years it’s the only problem it’s had. I’ve replaced the battery, wiper blades and tires.

I was sincere and you just hurt my feelings. Your a rude man 🤣🤣🤣🤣

 

[Mopower58]

I was sincere and you just hurt my feelings. Your a rude man 🤣🤣🤣🤣

That’s on my New Years resolution list. 🤣🤣

 

[Hondasxs]

Installed Tuesday but the exhaust connector didn't seal and started to leak.

I re-orqued the bolts today. All was good.
applied some Ultra Copper to the flange.
Let it dry a hour or so and tighten it back down. Hopefully that solves it.

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[Mopower58]

Installed Tuesday but the exhaust connector didn't seal and started to leak.

I re-orqued the bolts today. All was good.
applied some Ultra Copper to the flange.
Let it dry a hour or so and tighten it back down. Hopefully that solves it. View attachment 413304

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Did you have any exhaust bolts broken in the head?

 

[Hondasxs]

Just this one.
I was able to remove it with my fingers.


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[Mopower58]

Just this one.
I was able to remove it with my fingers.
View attachment 413307View attachment 413308

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That’s good.

 

[Mountain Whiskey]

5.7 is 345 ci and the 6.4 is 392 ci. I don’t think they use the same head so the exhaust port configuration would probably be different.

The heads are the same for the 6.4l Apache motor and the 5.7l Eagle are the same. The usual problem is the aluminum head bolted to a cast iron manifold has different expansion rates resulting in either broken bolts or the cast iron cracking. Shorties are a popular fix because the steel flange is a little more forgiving than cast iron.

A popular swap for cars is to use stock takeoff manifolds from 6.4l SRT cars. The stock SRT manifold is a shorty header. Some guys think they need long tunes to improve flow but unless you have a monster pulling 700hp you won't out flow the stock manifold. Mine is around 540 ponies at the crank and breaths great.

I think the Ram exhaust won't quite reach the SRT manifold and shop fabrication is needed. Aftermarket shorties are more but are the real solution to the problem.