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C29404 · 08-18-2019, 11:15 AM

I have been reading on this site about tuning and upgrades to the 8.1 and Allison pickup trucks to improve towing mileage. Who have you guys been using for tuning; what brand or parts have you used, intake, exhaust ect...
Any help on this would be appreciated. Thanks

08-18-2019, 11:15 AM	#1
C29404 Junior Member Join Date: Dec 2016 Posts: 20 Likes: 0 Liked 0 Times in 0 Posts	8.1 and Allison Truck I have been reading on this site about tuning and upgrades to the 8.1 and Allison pickup trucks to improve towing mileage. Who have you guys been using for tuning; what brand or parts have you used, intake, exhaust ect... Any help on this would be appreciated. Thanks