Thunder Productions

New Dualflow version for Weber DCOE 40–45.

Optimized airflow, improved throttle response and up to +10% torque & power.

Carbon fiber reinforced.
Dyno tested.
€115 / pair.
Worldwide shipping.

These have been going out faster than we expected.
More and more builds are switching to our velocity stacks — not just for the look, but for real performance gains.

Improved airflow, sharper throttle response and a sound that completely changes the driving experience.

Tested, refined and already trusted by a growing number of builds.

If you’re thinking about it… you’re already late.

This isn’t a cosmetic upgrade — it’s functional engineering.
The rough inner finish is designed to improve airflow behavior, increasing mixture quality and engine efficiency.
Every detail has a purpose. Every surface works.

Performance is not just about bigger parts or louder sound.
It’s about airflow, efficiency and response.

Our intake system is designed to improve air velocity and reduce turbulence, helping the engine breathe better across the entire RPM range. The result is a more responsive throttle, better mid-range torque and a noticeable improvement in top-end power.