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Capn_Mark · 04-02-2026, 06:46 PM

Hey, I recently picked up a 2019 1SS1LE manual that had been modified by a Chev dealer custom for the seller. Should I have gotten a tuner, or even just a dongle for the OBD port? I have the receipts, the main mods are:

Maggie 2650
LT4 injectors
DSX Fuel pump
Katech throttle body
Rotofab CAI
Alky control dual nozzle meth
100 mm pulley
Kooks headers
Corsa exhaust
Eibach lowering springs
ZL1 body kit

I want to take it in to a (different, local to me) shop for a dyno tune, but they are asking me about the license for the current tune, etc.

I’d appreciate a few thoughts on the best way to proceed - should I purchase an HP Tuner, or what do you Magnuson people prefer for a tuner? She runs strong, ridiculous really, with no issues, do I actually need to do a dyno tune?

Thanks!!

04-02-2026, 06:46 PM	#1
Capn_Mark Drives: 2017 Camaro 2SS Fifty Join Date: Apr 2021 Location: Victoria Posts: 8	Magnuson 2650 tuner advice question Hey, I recently picked up a 2019 1SS1LE manual that had been modified by a Chev dealer custom for the seller. Should I have gotten a tuner, or even just a dongle for the OBD port? I have the receipts, the main mods are: Maggie 2650 LT4 injectors DSX Fuel pump Katech throttle body Rotofab CAI Alky control dual nozzle meth 100 mm pulley Kooks headers Corsa exhaust Eibach lowering springs ZL1 body kit I want to take it in to a (different, local to me) shop for a dyno tune, but they are asking me about the license for the current tune, etc. I’d appreciate a few thoughts on the best way to proceed - should I purchase an HP Tuner, or what do you Magnuson people prefer for a tuner? She runs strong, ridiculous really, with no issues, do I actually need to do a dyno tune? Thanks!! Attached Images