I'm not aware of a local tuner here in GA but a couple of us went the remote unlock/ECUTEK tune route via Visconti. You can chose either OTS or custom tune (tweaks the tune via logs you send in). As Benjilis stated, spend an evening reading the tuning area as there is tons of good info there.
+1 for Visconti's remote unlock. Marshall was super helpful with the sales/order process and answered all of my off the wall questions along the way. Day of, John called up and walked me through every step of the way. Remote unlock to first tune loaded was no more than 45min tops...
Just received an FTP charge pipe and noticed the same issue with the supplied clip not really fitting. I watched a video of Kies Motorsports installing the FTP and it was mentioned to use the OEM clip.
Very odd as mine is louder for sure. Start ups are much louder as well which increased "pops"(think I made a family poop themselves in the parking deck (sorry folks) when I started up next to them).
No updates on AMS changing anything with the downpipe for the 2021s but I have to give them big kudos as they did reimburse me for my failed install.
On a side note, kudos to Speed Industry as well for all of their help as they were able to procure me an AA downpipe which was installed this...
Call them instead of emailing. I've spoken to both Alex and Daniel recently due to my fitment issue with an AMS downpipe and both have been very helpful.
I received the same response. The 21's have a 6 port manifold so it's different for sure but the stock downpipe carries the same part number between 20 and 21 from what I'm told.
If you are referring to the bracket that came with the downpipe, it's used at the location where the downpipe meets the exhaust system. You add the new bracket to the factory exhaust mount, rotate the body mount 90 degrees and attach the exhaust to it.