Bingo!

Back in the 70s when CATs first came out, they would clog up and the car wouldn't go over about 45 mph.

The shady muffler shops would sell you a "test pipe" to see if the CAT was clogged, but most wouldnt install them due to fear of the EPA.

We installed them and just left them in.

+1 for fast intentions RESONATED test pipes looking the exact same

My first car was an 87' Charger. The cat went bad and the car wouldn't go faster then 40mph. The shop used a test pipe to trouble shoot the problem, but wouldn't sell it to me. I tried to convince them, but they refused.

Ok so still no response from them. Filing a ebay dispution tomorrow. Sad cause these are really nice looking pipes.

I understand your frustration as I had a pinhole leak in my system when I first ordered it, but you can easily remedy this with a spot of QuikSteel ($5 for a tube and eligible for Prime). I know doing this defeats the purpose of getting the vendor to uphold customer service standards, but you get what you pay for with Ebay and you'll save yourself what I assume will be a major headache.

I'll file still and make them stand up behind there warranty. I hope they do right because I was hoping that would be another reputial company that other 370z and g37 guys could use for a lower priced option. But if they won't stand behind there warranty then I won't push to send them business.

That is a problem with cheap imported products like this.

There is not enough margin in it for them to pay for shipping the pipe to them and then back to you again. That is if they even have state-side fabrication facilities to take care of it. Otherwise they would have to find a local welder to them to throw $40 at to fix it, etc, cause they arent going to ship it back to China where it came from.

Ok problem solved they move shops and just got the computers hooked up supposedly, but they are refunding $15 to take it to a weld shop to have fixed.

Next should be install with pictures and issues if any. Then I'll try to get a sound clip.

Ok so just got pipe back from welder and he fixed a total of 4 holes ( pressure tested ) dropping other pipe off tomorrow to have him check that one also.

Ok so I got the pipes installed and wow these pipes are perfect only issue I have had was the top outer most bolts and had to "adjust" drivers side header heat shield nut near steering shaft. But other than that it's easy. Over all I'm happy.

Possible update on these 1320 parts?
A friend of mine drove a few hours to 1320performance for some bmw parts.

He sent me some photos of what they have. Their pipes look good from the pictures.
Theyre Z headers priced at 300$ i believe. I really want to pull the trigger for it.. but i can/will only replace the cat or header.. both will be too loud .

I couldnt find any reviews other than from some Honda and Frs/brz guys. I guess i will wait!


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I've heard 3 separate accounts of the flex pipe coming apart on this test pipe.

So far so good no other issues other then to pin hole

any updates on how these test pipes are holding up? or sound clips:tup:

Test pipes with flex pipes. Nice combo.