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04-20-2020, 06:31 PM
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Member
Join Date: Aug 2007
Posts: 154
Likes: 116
Liked 62 Times in 23 Posts
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5.3L towing
Looking for recommendations for improving torque/horsepower as it relates to towing. Have 2008 Avalanche 5.3L, interested in tuner type mods, anyone have experience in trying these? What brands are better? Thanks, Tony.
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