Buy a Z Pipe, get the valve controller free

Order an equal length Z Pipe for your G8X M3/M4 or G87 M2 and the Deep Tone valve controller comes free. One click adds both to your cart.

FreeValve controller worth £299.99

Choose your Z Pipe About the controller

Choose your car

Z Pipe + free valve controller

Deep Tone Industries x Toroing BMW G80/G81 M3 & G82/G83 M4 Equal Length Z Pipe Midpipe (2021+)

Free controller included+ Deep Tone Industries Exhaust Valve Controller For BMW S58, S55, S63 & S68 Engines

BMW G80/G81 M3 · G82/G83 M4

Equal Length Z Pipe Midpipe

Equal length Z Pipe£1,850.00
DTI valve controller~~£299.99~~ Free

You pay £1,850.00You save £299.99

View Z Pipe details

Free controller included+ Deep Tone Industries Exhaust Valve Controller For BMW S58, S55, S63 & S68 Engines

BMW G87 M2

Equal Length Z Pipe Midpipe

Equal length Z Pipe£1,850.00
DTI valve controller~~£299.99~~ Free

You pay £1,850.00You save £299.99

View Z Pipe details

Deeper, smoother toneEqual length crossover balances the exhaust pulses
Less S58 raspChanges the quality of the sound, not just the volume
3D printed stainlessTight tolerances, precise fit, premium finish
Fitment GuaranteePlus a 1-year warranty for the original owner

MSB's BMW G87 M2 having a Deep Tone Industries Z Pipe fitted

Deep Tone Industries Z Pipe being fitted to MSB's BMW G87 M2

Deep Tone Industries x Toroing Equal Length Z Pipe with 3D-printed stainless steel crossover

As seen on MSB's G87

Chosen by drivers who care how their car sounds

Automotive content creator Michael Schublacker (MSB) had a Deep Tone Industries x Toroing Equal Length Z Pipe fitted to his G87 M2. The Z Pipe has quickly become one of the most sought-after upgrades for the S58.

See the G87 Z Pipe

Hear the difference

What is a Z Pipe?

Worth £299.99, free with your Z Pipe

Deep Tone valve controller

Choose when your exhaust valves open with the key fob remote, instead of leaving it to the factory calibration. The perfect partner for the Z Pipe.

AValve openFull angle, 100%
BValve closedFully shut
CValve openDefault angle, 30%
DStock controlFactory operation

Plug and play wiring with connectors on both sides · Key fob remote · 1-year warranty

Controller details

Offer runs until 23:59 GMT on 2 December 2026, or while stocks last. One free Deep Tone Industries exhaust valve controller per Deep Tone Industries x Toroing Z Pipe (G80/G81/G82/G83 or G87). The controller must be in your cart and is made free automatically. No cash alternative. Z Pipes remove the factory OPF on European vehicles and are sold for off-road and motorsport use only.