I have a 2014 Chevy Silverado Z71 with the 5.3L engine and long story short the exhaust set up i have is i cut everything after the CATs and put a single chamber Flowmaster super 10 and dumped it off right before the axle. I am trying to find a solution to the horrible drone i experience around 1700-2000 RPMs and the "helicopter" sound I experience when the engine switches into 4 cylinder mode. I still have the factory section of the exhaust i cut off which has the flapper which I am wondering if putting the flapper back in would solve the helicopter sound as well as fix the drone? I'm mediocre when it comes to knowledge when it comes to exhaust at best so i have no idea what it would take. What would it take/what is the best solution to make my exhaust remain loud when i get on it but not be annoying as heck in the cab when i am at speed and on the freeway? Thanks for your time in advance!
I've had my black 19 LTZ for a couple days and just noticed tonight when you look at the side and see the reflection you see some warping under neath the door handles on the passenger side. The warping in the rear passenger door is quite noticeable at any angle. Warping is present in the same spot on the passenger door but not as bad. The drivers side looks fine. Wasn't sure if this was normal or if I should have to dealer take a look at it? I've never noticed this before but this is my first black truck so it may make it more noticeable. Thoughts?
This is my first time posting in this forum!!
Just bought a DiabloSport Itune I3 Platinum Programmer.
I am looking for some decisive direction as well as suggestions on the best parameters for tuning my truck with the I3 Platinum.
Specs of Truck:
2014 Silverado Z71 LTZ 2WD Crew Cab
Rough Country leveling kit installed
33" x 12.5" x 22" Nitto Terra Grappler G2 A/T tires
5.3L Ecotec flex engine
K & N Cold Air Intake installed
Gentle 46k miles
I RUN 93 OCTANE IN THIS TRUCK
Being a 2 wheel drive (It Does have the Z71 package, Rancho shocks, etc...) Obviously it raked in the front.
First thing I did was put the K&N CAI on and it was like a rocket in Manual 5 gear mode, when I shifted through the gears myself.
After leveling kit and 33's with aggressive tread, it was complete garbage. No power, confused shift points, almost like missing. Just a hot mess.
So I bought the Intune I3 first, rather than switching to a 4.10 gear (which I may do later).
Already turned off AFM and that was immediately effective. Also, 15% throttle boost.
Can anyone suggest the best parameters to make this bad boy get up and GO!!??
I would like to know if there is a good idea on what ECM and TCM adjustments should be made to not only get that stock power back on 33's. But also get good fuel economy.
The standard Diablo Flex, Jammer and 91 tunes don't seem to help a whole lot. Still bogs down and takes forever to get through 1st and 2nd gear. Anybody know about these tuners on a 14 Silverado with 33's?!?!?!
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