Supastarrio | Mario Kart DS Codes: Some Item Codes @Supastarrio | Uploaded 13 years ago | Updated 11 hours ago
This code will make red shells shot from your kart and CPU karts fast. They'll slow back down to their normal speed if they don't hit anything.
While this code works on WiFi, it's glitchy. Your red shells will still be sped up, but you'll be firing them backwards, or in a random direction.
This code is server sided, which means other players will see the effects of this code.

Fast Red Shells
220F5EB0 00000025
This code should work anywhere.
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This code will add blooper sounds to blue shell explosions.
You'll sometimes become immune to blue shell explosions for whatever reason.
This code is not server sided, which means other players will not see the effects of this code.

Blue Shell Explosions Make Blooper Sounds
220FAE89 00000020
This code should work anywhere.
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This code will screw up the green shell sound. Green shells will make a high pitched buzzing noise.
This code is not server sided, which means other players will not see the effects of this code.

Green Shells Make Weird Sounds
120F6254 00004444
This code should work anywhere.
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This code will make green shells disappear the moment they touch the ground.
This code is not server sided, but other player's shells will still disappear after a few seconds.

Green Shells Disappear When They Touch the Ground
220F60E2 0000001F
This code should work anywhere.