Hey everyone, as the title says; I’m looking for your advice/input on an exhaust and tuner set-up. I have the AirAid MIT and K&N filter installed on a leveled 2016 Sierra with the 5.3L V8.
Muffler: I was originally planning on installing the Flowmaster Super 40 single in/dual out, but I’m reading mixed reviews. I want to notice the exhaust, but I do not want to be annoyed by it as it is our “family” vehicle at the moment. I like the refined deep growl way more than an obnoxious cackling. What comparable mufflers are out there around the same price as the FM S40(~$110) with possibly better performance and a more refined sound?
Tubing: Which is better sound/performance wise? Would a single muffler with 3” in/3” tubing to 4” tips sound more refined as opposed to a single muffler 3” in/dual 2.5” tubing out to 4” tips? I will be removing the resonator.
Tuner: My truck has the infamous throttle lag/fish bite/etc. where it always seems to be in too high of a gear then makes a hard downshift. I am looking into a tuner to modify the shift points and firmness, as well possibly turn off the AFM above a certain speed if the V4 drone becomes too annoying. I am also planning on purchasing new tires a little larger than stock in the future, so being able to adjust the speedometer for tire size will be required. Right now, the cheapest option to accomplish this is the $200 TruXP Xtune Plus from Auto Anything. From what I’ve read, it is basically just a re-branded Superchips Flashpaq F5/EdgeEVO HT2. Is there anything wrong with this particular tuner and its “canned” economy/87/91 tunes? Can I still customize the shift points/firmness and throttle response outside of those tune?
2014 GMC Sierra (5.3) is in for various upgrades, so the following items will be available in about a week. NO REASONABLE OFFER REFUSED!
-stock exhaust headers
-20" OEM chrome rims
-stock step bars
-stock calipers/rotors/brake lines (50k miles)
-stock air intake
-1 autocal with unused blackbear tune
-1 diablo tuning device (I need to check if tune can be transferred}
-Rancho adjustable lift shocks
I’Ve got an ‘05 Sierra as well as an ‘05 Tahoe. I made this video of the Flowmaster in the Sierra and plan to mod the Tahoe the same way.
I made this video of the Sierra thinking it may help some guys decide which muffler they’d like to go with. Let me know what you guys think.
Click for Video with sound clips
Im looking for a set of Headers to Install on my 2015 5.3 Silverado, and came across this company with suspiciously low prices for stainless steel headers:
Headers in question: https://www.speed-engineering.com/shop-by-vehicle/2014-2017-gm-trucks/exhaust/headers-y-pipes/silverado-sierra-1-7-8-longtube-headers-2013-4-8l-5-3l-6-0l-6-2l.html
Has anyone had bought from them? what was your experience?
A friend of mine has as LS3 Camaro and bought a set which looks pretty decent and sounds amazing, but im looking for more detailed opinions
Help is appreciated, now here i some ear candy !
Thank you very much
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