2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

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Old 02-25-2011, 02:43 PM
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open header

i am putting my bad mab header on here in a bit and i was wondering if it would be sae to run just a open header for like a minute just long enough to hear it then put the dp and catback on
Old 02-25-2011, 02:48 PM
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Originally Posted by T CUPP
i am putting my bad mab header on here in a bit and i was wondering if it would be sae to run just a open header for like a minute just long enough to hear it then put the dp and catback on
dont go by my word, wait for someone else to respond but im pretty sure it'll be ok. im not sure i get y you wanna do that but if you want to i think it'll be ok. i might throw a lean code or something but if you think about it, its essensially the same as a car with a leak in the flex pipe, kinda haha. but againw ait for another response before you go ahead and take my word for it
Old 02-25-2011, 02:52 PM
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yes it will be fine it will sound like **** and be loud as ****
Old 02-25-2011, 02:58 PM
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Originally Posted by mrbelvedere
yes it will be fine it will sound like **** and be loud as ****
This.

Loud is an understatement. It will make your ears bleed
Old 02-25-2011, 10:01 PM
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take a sound clip if you do!
Old 02-25-2011, 10:21 PM
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I have a crack in myflex pipe. Trust me it will be loud and sound like crap. Now open headers on my '69 cutlass was loud but good
Old 02-25-2011, 10:48 PM
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I would restrain from reving it up too much. It should be fine to fire it up and bump the throttle a little, just don't bounce it off the rev limiter or anything, lol. Personally, I wouldn't play with it until you at least get the DP on.
Old 02-26-2011, 12:19 AM
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i ran mine down the road open header at wot. didnt cause any issues. it is close to those coolant lines though
Old 02-26-2011, 03:31 PM
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its gonna be loud and like previously stated i wouldnt rev it too high
Old 02-26-2011, 03:38 PM
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its crazy loud i did as you want to do for lk 5 seconds and turned it off due to the sound
Old 02-26-2011, 03:44 PM
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It sounds like crap I know I had badmab and jbp header. Only headers That sound great open header is midlenth and maybe longtube. Already tried it sounds horrible don't do it
Old 02-26-2011, 03:50 PM
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Video!
Old 02-26-2011, 04:18 PM
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A video from my phone | United States | By donovan thigpen (donnie89)
from when i did mine

cellphone quality
Old 02-26-2011, 04:30 PM
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YouTube - Cobalt SS/TC


There ya go. Stock open DP lol
Old 02-26-2011, 05:14 PM
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still its stock it has cats and is more restrictive and its tc it wont be that bad
for NA with aftermarket header and dp its a whole other level
Old 02-26-2011, 05:21 PM
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Originally Posted by Stone629
I would restrain from reving it up too much. It should be fine to fire it up and bump the throttle a little, just don't bounce it off the rev limiter or anything, lol. Personally, I wouldn't play with it until you at least get the DP on.
wont hurt a thing but your ears
Old 02-26-2011, 05:23 PM
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^^^haha that
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