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post #1 of 7 Old 06-03-2018, 08:51 PM Thread Starter
Redsox2013
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Estimate HP more

I have a TJ 4.0l Sport Auto 3spd looking to add some power like a 62mm TB/CAI/Banks Headers/Banks cat back Exhaust. How much HP can I see with these mods

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post #2 of 7 Old 06-03-2018, 11:25 PM
jeepinmichguy_
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Pointless mods.

ΜΟΛΩΝ ΛΑΒΕ

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Jeepinmichguy is a jerk.
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post #3 of 7 Old 06-04-2018, 12:59 AM
frenchy206
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Quote:
Originally Posted by Redsox2013 View Post
I have a TJ 4.0l Sport Auto 3spd looking to add some power like a 62mm TB/CAI/Banks Headers/Banks cat back Exhaust. How much HP can I see with these mods
You will see very little, if any gain in power by adding performance mods to this motor. It's a very good engine, durable, torque at low rpm, etc, however, unless you modify the internals, you won't see any benefit from bolt on mods as the ones you listed above. A turbo or supercharger would be the only bolt on modifications that would give you a boost.

03 TJ Rubicon
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post #4 of 7 Old 06-04-2018, 05:08 AM
jtec
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just get the decals. less expensive, same effect, better results,

When I see the price of OEM I think aftermarket.
When I see the quality of aftermarket I think OEM.
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post #5 of 7 Old 06-04-2018, 08:55 AM
biffgnar
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Please complete your profile so people can answer your questions more accurately. While true that none of that bolt on stuff will do much and that forced induction (or stroking or engine swap) are the ways to go, one additional question is what tire size you have and what gearing is in your axles. If you've gone to larger tires and haven't lowered the gearing in your axles then that is another option to get back to original power levels.
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post #6 of 7 Old 06-04-2018, 01:41 PM
Hardhead69
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Save your money
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post #7 of 7 Old 06-04-2018, 05:19 PM
OldJackTheJeep
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3 maybe 4....

KE5PPH
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