popping sound from exhaust
popping sound from exhaust
I have a custom Magnaflow exhaust. The 2 secondary cats were removed, the piping is 2.5" all the way with an x-pipe.
When I am slowing down and coming to a stop, sometimes you can hear/feel a popping sound from the exhaust. It only pop's one time, but it does it almost every time I am coming to a stop.
When I am slowing down and coming to a stop, sometimes you can hear/feel a popping sound from the exhaust. It only pop's one time, but it does it almost every time I am coming to a stop.
Lead Lap
Joined: Jul 2006
Posts: 430
Likes: 0
From: TX
No ones gong to try anything so I will. I think when you slow down the a/f goes rich. That hits the first cat and causes a backfire, like in some race cars when the fire shoots out the exhaust, but you have a cat and the exhaust tubing is too long so you can't see it. The secondary cat acted as a kind of muffler, your exhaust still has a "rich" spike but you can't hear it becaust of the cat, and I guess since since its a cat it could catalyze the gas charge thats left.
Thread
Thread Starter
Forum
Replies
Last Post
