Pops, Bangs & Afterfire.
The sound, engineered at the calibration level — on any platform. From a tasteful crackle to full flame-throwing Dragon Afterfire.
Why most pops-and-bangs tunes fall flat.
Afterfire — also called pops and bangs, crackle, or burble — is the sharp report from the exhaust on overrun and downshift. Done right, it is deliberate and repeatable: a crack on lift, a burble on the overrun, a bang on the downshift. Done wrong, it shows up at random — or not at all.
Most failed afterfire tunes make the same mistake: they retard ignition timing and hope. But retarded timing does nothing if there is no fuel in the chamber to burn. The real lever is deceleration fuel cut (DFCO). If the ECU is cutting fuel in the exact RPM and load zone where you want the effect, no amount of late timing will produce a bang — there is nothing to ignite.
We tune the cause, not the symptom. That is the difference between a sound that fires on command and one that shows up at random. JDM, European, American — the engine does not matter. What matters is whether the person writing the map understands where the sound comes from.
From a whisper of crackle to real flames.
Intensity and activation RPM are set to your taste — and can even be split across switchable maps:
Want to switch between sounds from the steering wheel? See map switching on our tuning page →
Platform guides.
Deep dives into what afterfire looks like on specific cars — what is possible, what to expect, and real footage.
Lamborghini Aventador
Pops & bangs · anti-lag · afterfire — full model range, LP700-4 to Ultimae.
View the guide →
Heard on real cars.
Our calibration, behind big names.
Our Aventador afterfire calibration is supplied as OEM to tuning and exhaust brands worldwide. Hear it in their builds.
Stage 4 Tuning
Aventador SVJ — Stage 2 with afterfire, on the dyno.
Exhautech
Aventador S — valvetronic exhaust with our afterfire calibration.
FM Performance
Aventador afterfire — running our OEM calibration.
This is what we mean.
Good to know.
Will it damage my catalytic converter?
We calibrate intensity and activation RPM precisely, reducing the thermal stress that destroys catalytic converters on crude maps — and keeping the car civil in residential areas.
Does it work on a naturally aspirated engine?
Yes. NA or turbo, JDM or European — the effect is engineered in the calibration, not the hardware.
Can I get it without a power tune?
Yes. Afterfire is available standalone — we were among the first to offer it that way. You pay only for the sound.
Is it reversible?
Yes. Flashed over OBD with no visible change, and the factory calibration can be restored at any time.
Tell us your car. We’ll tell you how it can sound.
Remote worldwide, or in person in Japan. Shop owner? Ask about our dealer program.