Pedals that stack with the Friedman Box of Doom Distortion

Electro-Harmonix Deluxe Electric Mistress

Keep Electro-Harmonix Deluxe Electric Mistress after Friedman Box of Doom Distortion in the signal chain, clear of Friedman Box of Doom Distortion's own gain stage

Suhr Shiba Drive

Feed a high gain signal into Suhr Shiba Drive and it comes out closer to mid-forward

Xotic EP Booster

Xotic EP Booster takes that high gain character and pushes it toward clean boost

Hungry Robot Moby Dick V2

Put Hungry Robot Moby Dick V2 after Friedman Box of Doom Distortion in the signal chain, clear of Friedman Box of Doom Distortion's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Fender Marine Layer Reverb

Keep Friedman Box of Doom Distortion's high gain voice out front: Fender Marine Layer Reverb goes after Friedman Box of Doom Distortion in the signal chain so its spring voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Warm Audio Pedal 76 Compressor

What Warm Audio Pedal 76 Compressor brings here leans toward tight — that's worth building a pairing around