Going catless for beginners

redram2007 · Dec 24, 2013

No problem, I was actually about to buy a set of magnaflow 53000 series but after doing some research I found that page and put the brakes on this mod. They have quite a bit of information on their website

Beginner · Dec 24, 2013

I think I could deal with the smell, but that low end loss is a different story might cut them off bolt in a piece of straight pipe and see how that feels I can always put it back in if I don't like it going to run a couple tanks to get mpg and timed 1/4 first take them off and do the same thanks for all your help and advice

KGBIGCOUNTRY · Dec 26, 2013

Unless you are cammed with heads or running boost you will not see a real gain from dropping them besides more noise. Ryan has you pointed in the right direction. Mine no longer has the cats with my heads and cam and full exhaust, I have supporting mods to overcome what im giving up low end to allow for it though.

redram2007 · Dec 26, 2013

KGBIGCOUNTRY said:
Unless you are cammed with heads or running boost you will not see a real gain from dropping them besides more noise. Ryan has you pointed in the right direction. Mine no longer has the cats with my heads and cam and full exhaust, I have supporting mods to overcome what im giving up low end to allow for it though.

I'm going to be adding a converter and heads hopefully this spring. The heads will have larger valves, stronger springs, and will be p&p. I already have HO cams and a slew of other mods(see Sig), and I may get some larger injectors as well. Would this be something that I could benefit from on my 4.7 after these next mods?

KGBIGCOUNTRY · Dec 27, 2013

Dropping the cats will net you a few more #s on the top end and move the powerband up. With you having the gears and adding HP it shouldn't hurt you as much on low end as a lightly modded 4.7. What heads are you going to toss on?

redram2007 · Dec 27, 2013

This is what I'm looking at getting, they're a little expensive so it's still a maybe. I'd like to send my heads off to get worked but I'm not sure who would do it and what it would cost.

Knolton Thunder Race Ported Heads 4.7L RAM/DAK/DUR/JEEP Knolton Thunder Race Ported Heads 4.7L RAM,Knolton Thunder Race Ported Heads 4.7L Dakota,Knolton Thunder Race Ported Heads 4.7L Durango,Knolton Thunder Race Ported Heads 4.7L Jeep [KNTH1-4.7L Ra

redram2007 · Dec 27, 2013

And there's this set as well, I believe the only difference is it has stock valves.

Knolton Thunder Economy Ported Heads 4.7L RAM/DAK/DUR/JEEP Knolton Thunder Economy Ported Heads 4.7L RAM,Knolton Thunder Economy Ported Heads 4.7L Dakota,Knolton Thunder Economy Ported Heads 4.7L Durango,Knolton Thunder Economy Ported Heads 4.7L Jeep

redram2007 · Dec 27, 2013

Is this reasonable for a set of heads?

KGBIGCOUNTRY · Dec 28, 2013

Yes that's around the same price as you would spend on a set of bv heads for a 5.7 so its not over the top. Anything dealing with performance and dodge means $$$.

redram2007 · Dec 28, 2013

KGBIGCOUNTRY said:
Yes that's around the same price as you would spend on a set of bv heads for a 5.7 so its not over the top. Anything dealing with performance and dodge means $$$.

Good deal.

Going catless for beginners

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