pdub42

Edit2: Leaks! see post 7

so got my pypes o/r h pipe today, going to be installing tomorrow, how many of you guys got the H welded? Mine is a VERY loose fit and I think it is going to leak like crazy if it is not welded. I am thinking test fit it on the car get it all aligned, tighten the H with the included clamp then take the pipe in to get it welded, then install it back in the car is that the easiest way or should they be able to weld it up good while its installed?

Edit: also I noticed my H pipe part is upside down in the pic oops!

loudnlow

I had mine welded while it was on the car.

chronos

Dude, do these pipes eliminate your CATs? Doesn't Ohio have emissions testing? I agree also the welding should be on the car to get the best fit.

zachcrosen

I had mine welded while on the car. I think that is the best method to ensure nothing moves prior to welding. Worst case, tack it all in place then drop it down to weld all around the joints.

Back N Black

I had mine welded while on the car. If you don't want to be constantly chasing leaks get it welded up.

mustang queen

only certain counties have emissions testing and it's every 2 years

pdub42

Wow can't believe it has been a year already since I put this on, but it is leaking from somewhere, it seems to be where the mid pipes connect to the crossover but its hard to tell because most of the leaking noise is heard when there is a load on the engine. I do not really want to have it welded right there and be unable to remove the crossover later for headers, clutch, tranny work etc. anyone else have any leaks from these? I tried even putting a pipe to connect the two and clamped both sides but it still leaked.

SpartaPerformance

Mass produced in China! Nuff said.

ScoobyStang452

^+1 on that from what he said.

Get the whole thing welded up...its the only way you're going to seal up the leaks. Those clamps only last so long.
also check your headers. Its a pain in the butt, but once you do it once, it gets easier. Take off or at least pull them out enough so see if those are leaking. You'll see black scorching along your block from where the exhaust ports are. You can also tell by the infamous *tick, tick, ticking* almost sounds like engine pre-detonation at idle but goes away when you step on the juice. OEM header gaskets work fine with any aftermarket set up.