so when i step on the gas sometimes when i let off i get this back pressure and i get a gagrgle does this mean the air isent flowing through the car fast enough is it restrictive or just normal it dosent do it all the time i got rez and u bend taken out cai and flows

 

Couple of things come to mind.

Can you throw down what year and engine you have?

 

sry yea that would help lol 3.8 ss 2001 not supercharged

 

i have the same car(year an 3.8 na)
and i get no noise when i let off of it

 

Hmmm.... I wonder if it could be that clogged cat converter issue.

Res and U-bend are out which are after the cat so that should be free flowing.

CAI would allow better intake flow.


My logic problem is that it doesn't do it all the time. I personally haven't had the clogged cat so I'm not fully aware of what the symptoms are.

Can anyone chime in on this?

 

Without a u-bend and resonator, and louder mufflers, you're going to get some backfire letting off the gas after WOT, especially in neutral. My old setup was a cackle fart machine, even before the cam.

Is this revving in neutral only, or when under load (i.e. driving)?

 

does it in both neutral and driving not as much in driving driving

 

I had the clogged cat problem on my camaro and it doesn't sound like thats what his problem is. With the clogged cat it was hard to accelerate, hard to describe...but if it were a clogged cat you would be able to feel it.

 

ok i have a video clip of it ima put it on u tube check bak in alil for the link you canhere it very good in it i apreciate all your help

 

ok here it is u here it right assoon as i let of the gas