Pedals that stack with the Electro-Harmonix Little Big Muff Pi

Zvex Seek Trem

Keep Zvex Seek Trem after Electro-Harmonix Little Big Muff Pi in the signal chain, clear of Electro-Harmonix Little Big Muff Pi's own gain stage

Walrus Audio Ages

Run fuzzy into Walrus Audio Ages for more clean boost on top

Pigtronix Octava

Run fuzzy into Pigtronix Octava for more octave on top

Strymon OB.1 Bass

Strymon OB.1 Bass's own clean boost character is the real reason this is worth trying

Walrus Audio Melee Wall of Noise Black

Keep Walrus Audio Melee Wall of Noise Black after Electro-Harmonix Little Big Muff Pi in the signal chain, clear of Electro-Harmonix Little Big Muff Pi's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Pigtronix Echolution

Pigtronix Echolution's modulated voice goes after Electro-Harmonix Little Big Muff Pi in the signal chain — it's not there to compete with Electro-Harmonix Little Big Muff Pi's own fuzzy character — goes in the amp's FX loop (or last, into a clean amp)