I got my Warpspeed y-pipe installed and my carsound cat. I notice no difference in power....or very little. I disconnected my battery for a few seconds to reset the ECU. Now what?...Where is all the power people talk about?

 

You'll notice more above 4K rpms. Get on the highway and run to redline. You'll feel it then.

DW

 

also you have to give it bout 100 miles before you really notice the difference..but its there..what is the diameter and you have to have all performance or else you dont get the entire feel

 

All I know is that I noticed a significant change just taking it out the first time. After 3k rpm, the car just has more effortlessness with acceleration. It just wants to fly! Kind of like a SC max except 1/3 of that feeling...

 

I appreciate everyone's input...I actually noticed it today on this short inner city highway....my buddy was sh*$tin bricks....he loved it. My car got up to 120 so quick, but there is to much Po PO around to take it to 140.

 

what is po po?

 

Police

 

For sure. People should observe how many rpm's their car is at while proceeding at a given speed BEFORE & AFTER installing an aftermarket y-pipe. After the install, your rpms should be noticebly lower as the car is working less (breathing better) to achieve the same speed.

THEN you will know your new y-pipe is working.

 

Excellent way of putting it! Makes sense. But I still wish in one of my old posts that I could find other worthy Max's to roll with.....all the ones around here have all JC Whitney crap on them, give or take a few decent ones, but they all have attitude.

 

This would not apply to 5 speeds.

DW

 

Or automatics. Gear ratios dont change...

 

But before the torque converter locks up, don't the gears slide a little?? I thought that is what they were referring to.

DW

 

The gears don't slide, but the torque converter has some lost motion when it's not locked up, since it's basically a fluid coupling.

 

Yeah yeah, I know, but you know what I was getting at.

DW

 

are you saying if I had a 5 speed maxima and put a y-pipe in, it would be useless? i would have no extra power? or are you saying that although i would have extra power, my car would probably still work hard since i am in control of when it shifts? and it's up to me whether my car works as hard after ypipe or not?

 

No, all he meant was that on a manual transmission, the engine rpm and wheel rpm are directly proportional by the overall gear ratio. So, if you're driving a certain mph, the engine rpm will stay a certain rpm--it won't change depending on engine power.
More power will improve how quickly you can get to that speed and will make your top speed faster if you're drag-limited.

 

Oh man...of course, you're right. I guess I always thought that an engine that breathed easier would need less energy (less RPM's) to maintain a certain speed. But it's ACHIEVING the speed that is easier, not maintaining it. Gear ratios don't change, so RPM's at any given speed will remain the same regardless of whether the exhaust piping is 2" in diameter or 20". Do I have it right?

Thanks for the correction.