Why doesn't my m4 fart like this anymore?

[romaineami]

https://instagram.com/p/0-uUj1t6hu/

[chipotle_napkins]

When you get gas you have to pour Chipotle in with the fuel as well to get best results

[romaineami]

Originally Posted by aeropixel

When you get gas you have to pour Chipotle in with the fuel as well to get best results

Lmaooooo right but seriously why

[dmk08]

Originally Posted by romaineami

Lmaooooo right but seriously why

Did you do the exhaust valve mod? I dont have it nearly as much with valves open.

[romaineami]

Originally Posted by dmk08

Did you do the exhaust valve mod? I dont have it nearly as much with valves open.

No I didn't, my cousins white m3 in the clip he hasn't done any mods and his still farts every time in sports, but mine doesn't it makes a awkward sound

[Accel Junky]

You can fart on command by rolling balls-deep into the throttle at a low or moderate RPM (until you hear the turbos fully spool) and then abruptly lifting. I do it all the time on command. I think it's awesome

[Audioguy]

Originally Posted by Accel Junky

You can fart on command by rolling balls-deep into the throttle at a low or moderate RPM (until you hear the turbos fully spool) and then abruptly lifting. I do it all the time on command. I think it's awesome

Exactly that

-Audio

[romaineami]

Originally Posted by Accel Junky

You can fart on command by rolling balls-deep into the throttle at a low or moderate RPM (until you hear the turbos fully spool) and then abruptly lifting. I do it all the time on command. I think it's awesome

It makes the backfire sound doing that but it's not having that rasp sound :/