Pedals that stack with the Keeley Super AT Mod (Andy Timmons Full-Range Overdrive)

Subdecay Blackstar Distortion

Run Keeley Super AT Mod (Andy Timmons Full-Range Overdrive) after it and the thin edge settles into something more full

Klon Centaur

Klon Centaur's midrange breakup stacks onto the Super AT Mod's own full-range, harmonic drive for a thicker classic-rock push.

Dallas Rangemaster Treble Booster

Push the Super AT Mod's full, harmonic clipping with the Rangemaster's germanium treble boost and it stays articulate even as it opens up.

MXR Dyna Comp

Dyna Comp's sensitive attack ahead of the Super AT Mod evens out dynamics before the pedal's own asymmetrical clipping.

MXR Phase 90

Phase 90's classic swirl colors the Super AT Mod's harmonic drive after the gain stage rather than adding to it.

Electro-Harmonix XO Deluxe Memory Man

The Super AT Mod's full, harmonic clipping feeds the Memory Man's lush analog echo a saturated signal to trail off. — goes in the amp's FX loop (or last, into a clean amp)

Roland PB-05-DW

Keeley Super AT Mod (Andy Timmons Full-Range Overdrive)'s own harmonically rich character is the real reason this is worth trying

Walrus Audio Mako D1 High-Fidelity Stereo Delay V1

Let the Mako D1's stereo repeats trail the Super AT Mod's full, harmonically rich clipping instead of getting distorted with it. — goes in the amp's FX loop (or last, into a clean amp)

Victory Amplification V4

Victory Amplification V4's harmonically rich character and Keeley Super AT Mod (Andy Timmons Full-Range Overdrive)'s harmonically rich voice sit in the same lane rather than fighting each other