Found One!

[Riverryder]

@attitude hmm im going to have to look into this. i think i rather have it on a dyno to see the gain first hand.
ive heard of the black bear preformance tho.

 

[braindead]

Blackbear does great work, he did both my 02 Sierra and my 07 Escalade, the 07 will actually get up and go rather than taking five minutes to make up its mind whether it’s should or not