Drone reduction is what the resonator’s purpose is.
You actually want some colour change in the oil believe it or not, I prefer it to be dark brown definitely not black. I believe what you are hearing is cold piston slap. One there is enough thermal expansion in the pistons, there is literally no noise. Let it warm up a bit more before driving or keep it under 2500rpm until it warms up.
Remove the third cat instead. That will not cause any drone and will give you a bit more noise.
I experienced with the Airraid MIT that the factory airbox became a restriction after adding headers to my 6.2. There was a noticeable seat of the pants(wheelspin) difference and airflow volume increased when comparing back to back datalogs. I've since lost the datalogs in a laptop hard drive failure. Personally I ended up cutting up my factory airbox on the lower front corner to open up the factory box behind the headlight and below to the fender well area. No pics again.
I emailed air raid tech support since mine was falling off the throttle body once a month. They had me send a picture of the mit installed. They promptly sent a more flexible silicone coupler and I haven't had issues since.
Cut out the 3rd cat for a bit more noise. There are greater power gains in long tube headers instead of catback exhaust. Personally I tuned my truck first, then removed the third cat for a bit more noise. And now I installed long tube headers. With the stock exhaust, I have no drone, my exhaust note is slightly louder at idle. On the highway I can hear the headers 'tick noise' over the exhaust, I certainly have no drone whatsoever. If I step on it, it is angry as all hell.
My Kooks with the high flow cats made my truck throw P0420 and P0430 codes. I did a new datalog and sent it into Blackbear. With some patience I got a retune. After I updated my tune, my fuel mileage is better than ever, idle is smoother and the truck behaves like it should. I would not recommend putting headers on and not retuning the truck based on my experience.
dsmmace replied to mike66's topic in 1999-2013 Silverado & Sierra 1500Online from Rockauto is quite cost effective. Sent from my iPhone using Tapatalk
I went at the end of August. Holy shite that was hot and humid for this Canadian. We stayed in a townhouse area in kissimee. It was reasonably priced off of vrbo.com. We had a unit that had its own private backyard pool. We spent 9 days total, went to every park. Downtown Disney was great in the evening. Legoland was cool, but I felt like it was operated by Disney's rejects. Universal has something for every age and I'd recommend a full day there. We also went to the both waterparks. They were nice to go to kinda cool off. Drifting on the tubes was fun for our three kids. Food wasn't terrible, there are heathy options, you have to look for them. My kids ate sandwiches, paired with carrots, apples or grapes. Fast Passes are useless if booked or used before 10am.
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