Bolt mod

[Jorgez28]

Hello everyone I have a question. Is there a how to for the bolt mod on the butterfly valve

 

[gat0r]

you already disable AFM?


http://sandyblogs.com/techlink/?p=3296

http://www.tahoeyukonforum.com/threads/the-1-00-cat-back-mod.65748/#post-825530

 

[Jorgez28]

Thank you I figure I can drive in M mode and see if it’s worth it.

 

[Eskamo23]

Did you try it out? If so how do you like it?

 

[Jorgez28]

NO I did not I haven’t had much time hopefully around the holidays.

 

[Eskamo23]

My valve was round. Here’s what I did.

 

[Jorgez28]

Eskamo what year is your Tahoe

 

[Eskamo23]

Eskamo what year is your Tahoe

2017 lt 2 wd, i bought it in sept

 

[BigBlueLB756]

Twist the valve clock-wise and then clamp it. That makes sure the flapper is in line with the exhaust flow, rather than blocking it.

Clock-wise twist:

Counter clock-wise twist:

 

[Mark Sartain]

Thanks for posting pics. Does it sound better? I thought it was always open when the engine is running.