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

 

yes it will be fine it will sound like **** and be loud as ****

 

This.

Loud is an understatement. It will make your ears bleed

 

take a sound clip if you do!

 

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

 

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.

 

i ran mine down the road open header at wot. didnt cause any issues. it is close to those coolant lines though

 

its gonna be loud and like previously stated i wouldnt rev it too high

 

its crazy loud i did as you want to do for lk 5 seconds and turned it off due to the sound

 

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

 

Video!

 

A video from my phone | United States | By donovan thigpen (donnie89)
from when i did mine

cellphone quality

 

YouTube - Cobalt SS/TC


There ya go. Stock open DP lol

 

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

 

wont hurt a thing but your ears

 

^^^haha that