Many shops can do this, but you are better served getting an aftermarket system that other's have as it is usually a known quantity...just my .02$ 
A1C Hodges, Christopher Active Duty USAF Sheppard AFB Texas;Westover ARB Chicopee, MA
NECEG "Troll"
formerly owned 2000 SVT Contour, with all kinds of goodies;)
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