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Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 5.7-liter HEMI® V8 engine - 390 horsepower, 407 lb-ft of torque.


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  #1  
Old 01-30-2012, 12:24 PM
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Default Header Dilemma

Been looking into headers for awhile now and still am saving money to get a set. I however can not dump 1,500 for longtubes from ARH (i wish). So that leaves me with two options, either the jeep srt8 factory headers or the cat4ward headers. What all is involved in making the Jeep SRT8 headers work with our factory existing exhaust and also are the cat4wards just bolt in and go? I do realize I will not see as much horsepower gains from the shorty style headers, but like I said, I don't have the $1,500 to drop on a set of ARH one's and our stock exhaust manifolds are not very good. Any help from anyone that has done either and has pics would be greatly appreciated (with reps of course)!
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Old 01-30-2012, 12:38 PM
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With the SRT8s you have to custom fab the cats and rear O2 sensors and the rest of the exhaust. It can be done but I bet it could get pretty pricey. I would go JBA before trying to attemp the SRT swap. There is one SRT swap I know of on DT, i will try to get some more info for ya!
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Old 01-30-2012, 12:43 PM
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IMO the JBA shorties are the way to go. Have them on the wife's charger and so far no troubles. If you are not going to modify you truck to the max these are a pretty good deal to get rid of he factory "log" manifolds.
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Old 01-30-2012, 12:53 PM
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Yeah that is what I was thinking, it'd be better to go ahead and spend a little more out of the gate for the cat4wards and just bolt in and go. I have been waiting to do these before going to a dual exhaust setup also. Esp. now that I am backing turning wrenches we have all equipment for me to weld in and do the exhaust myself!

I am still curious to see if the long tubes from a jeep srt8 will work on our trucks, as the obx's are close to the same price as the cat4wards!
but Cat4ward from autoanything with discount coupon $439.95 shipped

BYW THANKS FOR THE INFO TIMMY! REPs to ya when I can again!
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Old 01-30-2012, 01:34 PM
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The same guy that put the SRTs on his truck, he said that the OBX longtubes for the Jeep SRT8 look like they would fit. I think they are around 500 bucks, but you still have to mount cats and run wire extensions to the O2 sensors
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Old 01-30-2012, 03:40 PM
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yeah i think i am sold on the cat4wards. just have to scrape up some money in the next lil while. any1 gone to the dyno after installing these and have any numbers?

also any1 have any issues when installing these (studs breaking/moving and factory pieces, etc?)
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Old 01-30-2012, 04:17 PM
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Don't know what's gonna fit best but having had headers on a few vehicles, I did learn a few things I'll pass on.

1. Don't scrimp on gaskets. Summit has some Pressure Master (from the old Earl's Pressure Master company) that work great.

2. Use Stage 8 fasteners. They won't back off once you get them torqued and the lock clips in place.

3. Get a ceramic coating on your headers. It will cut down on engine compartment heat and will help the exhaust gas flow better.

I'm not sure but would the SRT 6.1L Jeep exhaust ports match up with the truck's 5.7L exhaust ports? What about the EGR valve placement? I'm thinkin' they are different.
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Old 01-30-2012, 04:25 PM
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Quote:
Originally Posted by ShiftJockey View Post
Don't know what's gonna fit best but having had headers on a few vehicles, I did learn a few things I'll pass on.

1. Don't scrimp on gaskets. Summit has some Pressure Master (from the old Earl's Pressure Master company) that work great.

2. Use Stage 8 fasteners. They won't back off once you get them torqued and the lock clips in place.

3. Get a ceramic coating on your headers. It will cut down on engine compartment heat and will help the exhaust gas flow better.

I'm not sure but would the SRT 6.1L Jeep exhaust ports match up with the truck's 5.7L exhaust ports? What about the EGR valve placement? I'm thinkin' they are different.
He has a 2010 hemi, the newer heads have ports like the 6.1
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Old 02-01-2012, 11:41 PM
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Ok so I don't have the 1,500 for ARH longtubes right now and I contacted Pacesetter to see if they are working on a set of LT's. I figure if another company comes up with a set of LT's then maybe the price will come down some (doubt it). So should I hold off for a set of long tubes or order the cat4wards soon until I can get the LT's
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Old 02-02-2012, 12:13 AM
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I would wait for a set of LTs. If you're going to do headers, you may as well get a set that will make a difference in a powerband you will feel. The shorties are great for top end, but honestly, how often are you over 4K RPM and for how long? Hell, even when I'm bombing down the road at 160km/hr I'm still only at ~3500RPM. You want to maximize your bottom end so start saving and pick up a set of OBX headers. I realize not everyone can afford the dynomaxx or ARH headers, hell it took me 2 years to bite that bullet, but don't skimp on not doing LTs.
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