Either train magikarp to level 20 or capture one, you can use the super rod to hook gyrados.
Gyarados doesn't any further on Pokemon FireRed.
Gyarados does not evolve any further, it is the final evolution of Magikarp.
Chinchou is not available in Pokemon Firered Version. You can only get it by trading from Pokemon Ruby / Sapphire / Emerald Version.
use that gameshark user.
i used non legends charizard, gyarados, executtor, alakazam tyranitar, and dragonite
firered and leafgreen version
There is no "Pal Park" in Pokemon Firered Version.
Get it from Pokemon emerald.
technically, yes but it is not a red gyarados it is a shiny one and it is random, you can hunt it but the chances of a shiny are 1/8192 so...... good luck
The emerald doesn't exist in firered.
No, Pokemon FireRed version is for GBA.
It is not possible to get the Red Gyarados in Pokémon Yellow version. You can only get it in Gold, Silver and Crystal version.