test pipes
test pipes
hey , I got an 86 n/a 300zx , ive been trying to find a test pipe to get rid of my cats, but I can't seem to find any, so I was wondering , is there any cars that will have the same size test pipes as the z31, thanks in advance
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BadQ45t
- Posts: 3249
- Joined: Fri Jul 26, 2002 7:54 am
- Car: 21' Leaf SL Plus (wife's car)
05' X-Terra S 4x4
97' Q45t SOLD! Miss the old girl
84 300ZX (Original Owner)
2016 Mercedes Benz S550e V8 Power and 35 MPG - Location: Half Moon Bay, CA
Re: test pipes
Wow, I haven't heard the term test pipe in a very long time! I think the Z is completely unique so if you can get away with Cat delete (what state do you live in that has no smog test, lucky you) I would just take it to a muffler shop and get them to run a completely new exhaust system. These are not that expensive to do.
Re: test pipes
I live in Georgia , luckily I don’t need to do emissions anymore , I was thinking of getting a test pipe made by a local automotive shop and buying an exhaust of thezstore and welding turn down pipes onto thatBadQ45t wrote: ↑Tue Mar 09, 2021 12:10 pmWow, I haven't heard the term test pipe in a very long time! I think the Z is completely unique so if you can get away with Cat delete (what state do you live in that has no smog test, lucky you) I would just take it to a muffler shop and get them to run a completely new exhaust system. These are not that expensive to do.
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BadQ45t
- Posts: 3249
- Joined: Fri Jul 26, 2002 7:54 am
- Car: 21' Leaf SL Plus (wife's car)
05' X-Terra S 4x4
97' Q45t SOLD! Miss the old girl
84 300ZX (Original Owner)
2016 Mercedes Benz S550e V8 Power and 35 MPG - Location: Half Moon Bay, CA
Re: test pipes
You could just get a muffler shop to cut right before the Cat and weld in a new "no cat back" from there. I don't think they make test pipes anymore. A long time ago I had a Toyota Celica before CA required smog every 2 years (this was in the late 870's early 80's) and I did headers going to a larger exhaust pipe to a turbo muffler, man did it make a difference. You can probably get that type of thing done cheaper than fabricating sometihng to fit in the cat, but go to an exhaust shop they do that everyday.
Re: test pipes
For sure , once I have it all done I’ll post it up ! Just bought my coilovers not too long ago so just waiting on thoseBadQ45t wrote: ↑Tue Mar 09, 2021 4:03 pmYou could just get a muffler shop to cut right before the Cat and weld in a new "no cat back" from there. I don't think they make test pipes anymore. A long time ago I had a Toyota Celica before CA required smog every 2 years (this was in the late 870's early 80's) and I did headers going to a larger exhaust pipe to a turbo muffler, man did it make a difference. You can probably get that type of thing done cheaper than fabricating sometihng to fit in the cat, but go to an exhaust shop they do that everyday.
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BadQ45t
- Posts: 3249
- Joined: Fri Jul 26, 2002 7:54 am
- Car: 21' Leaf SL Plus (wife's car)
05' X-Terra S 4x4
97' Q45t SOLD! Miss the old girl
84 300ZX (Original Owner)
2016 Mercedes Benz S550e V8 Power and 35 MPG - Location: Half Moon Bay, CA
Re: test pipes
Your lucky, in CA I dread every 2 years when the registration shows up with SMOG TEST REQUIRED and it usually cost me $300-800 bucks to figure out what is causing me to be out of spec. I would love to do with my Z what I did the Celica. I took that old 105 HP 2.2 liter engine that topped out at 105 MPH and got 22-29 MPG with a 5 speed to more like 125 HP that was red line limited to 125 MPH and got 29-32 MPG (even more when I could put leaded gas in there). I figure you'll get 15-20 more HP out of this setup.
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