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t.tosto · 04-20-2020, 06:31 PM

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.

04-20-2020, 06:31 PM	#1
t.tosto Member Join Date: Aug 2007 Posts: 154 Likes: 116 Liked 62 Times in 23 Posts	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.