Which VRC pipe is this?

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Alright guys I asked Steve to post up exhaust for deal of the day so he might be doing it in couple days keep a look out if you want to buy a exhaust.
 
Ollie said:
never had any problems with bolts coming loose for me? Just a spring washer on the bolt and tighten it up well and it’s never come loose. Assuming bigger engines have more vibrations though
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No, not coming loose me either. Just the ease to install manifold with a nut and wrench for me is a more secure connection. Might just be in my head though. Lol.
 
So in regards to stud vs bolt in an exhaust you have heat cycling which over time can fatigue the bolt, studs have less of a chance of snapping while torquing the nut and my view is you only get x amount of chances putting a steel bolt into aluminum threads before eventually your stripping the hole. Let's face it the studs and bolts used for an exhaust in our mainstream rigs are not ment for the temperatures they see in our exhausts so failures are possible.

I agree with studs if your constantly taking your exhaust manifold on and off sure but if not and you "prep" and use bolts you'll be just as good. Prepping meaning you are using the right gasket,you use some sort of rtv and you let it cure,you anneal the copper gasket and you apply the right torque with a torque wrench.
 
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