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Old 06-25-2018, 04:37 PM   #4
ULTRAZLS1


 
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Drives: 14 Silverado LTZ Z71, 16 Camaro SS
Join Date: Nov 2009
Location: Jackson, Michigan
Posts: 4,422
Quote:
Originally Posted by kaydoe View Post
Still don,t know about stock but GM performance says 4500 on the on theirs
where did you find that?

all I see is 45% more

does anyone know anyone running the gm stall?
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