FS:Hallman boost controller(s)

ForceFed

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Trailblazer SS AWD ....Still a Mazda Junkie Though.
I haven't installed mine yet but will be soon!I am waiting on my D/P and want to install all at once!Very, Very nice piece!
Matt
 
Do you have to drill a hole through the firewall to route the controller in, or can you use an existing hole?
 
I don't see why you couldn't use an existing hole in the firewall.If need be though you could drill the required hole and put a grommet in it and it would look like factory!
Matt
 
there is a rubber stopper in the firewall that i just pushed out in order to install my boost gauge. no drilling needed
 
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