392 6.4 ARH LT 1 7/8 test - Dodge Challenger Forum: Challenger & SRT8 Forums
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Old 02-25-2012, 07:59 PM
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392 6.4 ARH LT 1 7/8 test

Hi Guys,

Any dyno rwhp test for the new CHALLENGER 392 LT 1 7/8 , and what will be the better sound with Corsa extreme or Zoomers. (with out drone) plz

Last edited by UAE; 02-25-2012 at 08:03 PM.
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Old 02-26-2012, 08:58 PM
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Old 02-27-2012, 05:11 AM
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I would guess that not a lot of people with the 392 have done this mod... Hence the lack of responses...
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Old 02-27-2012, 03:00 PM
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I'll be putting their complete system from long tubes all the way back installed in a few weeks. It's being fabricated now and then I'll have to install. I'm to cheap to do a dyno before and after though lol.
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Old 03-13-2012, 07:29 PM
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long tubes make a few horsepower difference and actually loose torque on an untuned 392. Shouldnt be any real surprise, it was the same way when the 6.1's first came out
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Old 03-18-2012, 02:42 AM
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so how much will they pick up horsepower and torque wise once tuning is available......or at least how much did they pick up on the 6.1's
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Old 04-20-2012, 05:59 PM
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stick with 1 3/4 headers. Help keep the Torque
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Dodge Challenger 392 SRT8(Green w/Envy) Mods in order: oil catch-can, K&N air filter, Petty's Strut brace front/rear, tran brace, Escort 9500IX(can't stop going fast), ARH LT[Catless]/Catback Exhaust, B&G ECU Tune.
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Old 04-20-2012, 06:49 PM
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I have the full ARH catted system on from 1 7/8" long tube headers back to the tips and feel the power's stronger at higher revs but definitely a lot of torque missing down low. I've thrown several lean bank codes and the CEL is on all of the time. I love the sound and high end power but, without a tune, there's a LOT of potential thrown away. I'm hoping a cure in the way of tuneability is not to far off.
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Old 04-20-2012, 07:36 PM
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Originally Posted by USponycar View Post
I have the full ARH catted system on from 1 7/8" long tube headers back to the tips and feel the power's stronger at higher revs but definitely a lot of torque missing down low. I've thrown several lean bank codes and the CEL is on all of the time. I love the sound and high end power but, without a tune, there's a LOT of potential thrown away. I'm hoping a cure in the way of tuneability is not to far off.
Running bigdaddies garage mini cats? Thats all I am using, stack there silver washer with the rear-o2 washers and no leaks and no codes. If your stacking the angle ones with the mini's, ditch the angle.
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Old 04-20-2012, 07:45 PM
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Originally Posted by PRoBLeMz View Post
Running bigdaddies garage mini cats? Thats all I am using, stack there silver washer with the rear-o2 washers and no leaks and no codes. If your stacking the angle ones with the mini's, ditch the angle.
Yeah, I have the bigdaddies garage mini cats on but I'll have to check the O2 sensors and washer positions. I didn't do the install and tried to explain that the order of the washers was important. I'll have to check them out myself because I do NOT want to live with codes being thrown.

Last edited by USponycar; 04-21-2012 at 06:42 AM.
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