Do you guys recommend selling my stock Ypipe? Or is it something I should just take to the dump. I don't really have a good place to keep it.

 

It's not a popular item. I'd junk it.

 

There are some that find they need one to pass inspection. (Emissions)

 

I have my old one sitting at my exhaust shop in case what Asand says happens. If I pass then Im going to junk it

 

You shouldn't have an issue passing inspection with a y-pipe.

 

With the WS y-pipe and high-flow magnaflow CAT I failed inspection here in MA. After throwing the OEM CAT back on with the WS y-pipe I have passed the last 2 inspections.

In MA we have strict emsissions test next to CA so I kept the OEM y-pipe just for future precautions.

 

I pm'd you. Let me know.

 

Don't junk it, sell it. Metal recyclers will give you a good chunk of change. I had a main cat and got $50, I'd assume the Y is closer to $75-100.

 

Or save it for if when you go back to stock.

 

NOOOOOOOOOOOOOOOOOOOOOOOOOO. ****. looks like im gonna have to buy a stock cat for when i fail my next inspection . ive got a cattman with a magnaflow. NJ should be the same as you, based off cali.

 

what were the readouts/limits?

should be good man... in canada emissions are pretty gay too. i only got a sniffer hooked up (not a computer thankfully like some states in the US) but i passed with a y pipe and a 2.5" maggie high flow, horrible tune, **** working ebay maf and no iacv. the readings were near the limits but i still passed. now that i got a proper tune, oem maf and a working iacv i'm sure i'd pass with flying colours. if i really have to i can also run 94 octane, safely lean out idle and the 2000-2500 rpm range (very light load on dyno) for testing purposes with the vafc2

 

Whats the purpose of this Y pipe if you cant even pass an emissions test?

 

If your Y-Pipe is in good condition you should be able to sell it. Some people prefer stock over aftermarket. Personally I think the engine runs more quietly and smoother with the stock y-pipe.

I did not notice any power improvement with a Warpspeed Y-Pipe and it started making a droning noise after year or so. I put a stock Y-pipe back on the vehicle.

 

I had my mechanic install my Magnaflow y-pipe, magnaflow high-flow cat, and new rear O2 sensor last week and the car is much more responsive at highway speeds and seems to run better in general. I kept the stock b-pipe and resonator on there and the muffler was replaced a couple years ago with a cheesy one which he had picked and put on the car before I started paying close attention to the parts going in it.

I'm saving the stock cat and y-pipe in case my emissions fail in April when I next have them. The aftermarket y-pipe I got has pre-cats, keeping it as close to stock as possible, so I'm hoping the emissions won't be a problem.

 

you can... i was talking about the HFC.

 

Peaking at the papers I failed that inspection because the Magnaflow HFC gave off the P0420 code a few days before the inspection. It was throwing that code within 3 months of installing that CAT back in 2010.

I did some research and found out 1 month prior to that 2010 inspection MA changed their emission tests to just reading the ECM. They no longer test the exhaust.

I just passed inspection again today with the WS y-pipe and OEM CAT.

 

Keep it in case you move to california

 

In CA that would be a false statement. I didn't pass with my Stillen Y-pipe



I regret not keeping my stock y-pipe

 

You see? ...

 

OP isn't in CA

 

I say keep it. You never know what the future will bring. I have every single OEM part that I've ever taken off my Max....

 

He's not a hoarder

 

/\

OP, if you decide to junk it, at least cut off the 3 flanges first and send them to me. I'll PP you $$ for them.

 

See what I mean?



OAN nice location BTW

 

He still hasn't seen it yet...LOL

 

He will now!

 

Wizard is my dad.

 

So when you say oem for your maxima.... Which one of the 6 that you have? The four 99s or the 2 98s?

 

thats really weird that you got codes for it

ya they're gonna change that here in canada too but that'll be for obd2 cars only... i'm not sure if my 95 is obd2, code reader plugs in on the left side in the drivers seat area but i just read some older threads asking this and some people say all 95 were obd2 and there's a plug for it in the passenger footwell. gonna check it out tomorrow

i think that way of emissions testing is stupid. all that should matter is what comes out the tailpipe at various loads, not silly emissions equipment its just a money grabbin scam lol. evap stuff in my engine is deleted in my car and all is good.

i actually can't wait till next year for another test hahaha i wanna see how much better i do with everything properly working! i'm gonna see if i can get someone's readings from fairly new car, fully stock, that has a similar sized engine to compare readings...

 

I'm not the only one who got that code with the magnaflow HFC. Do a forum search 'magnaflow P0420' and you'll see a few other members relating to it. Myself and those other members might of been given poorly made CATs. The magnaflow HFC that WS distributes to us is made for a Buick. My OEM CAT is approaching 150,000 miles and it has never given off that code.