new helix power tower plus??
Yes I have it on my 01 LS it worked great between that and the aem brute force intake it added a lot of power. Its was fairly easy to install even thought it was being installed by a friend while i installed the xm head unit. The one thing I will say is the first time we started the truck up it ran like ****. almost seemed like it had a vacume leak or something. What we did was while we were trying to figure it out we keep reving the motor and eventually it worked itselve out. Almost like the comp jsut had to resert itself.
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