First post here.
Truck is a 2005 Hummer H2. Currently has a stock motor with long tube headers, no cats, cat back Magnaflow, and CAI.
The ECM was programmed by Blackbear with just a generic...
Type: Posts; User: Mr. Demeanor
First post here.
Truck is a 2005 Hummer H2. Currently has a stock motor with long tube headers, no cats, cat back Magnaflow, and CAI.
The ECM was programmed by Blackbear with just a generic...