![]() ![]() “Pops and bang maps, or burbles as the OEM call it (yes, it’s that common on production cars that even the manufacturers have a name for it!), is simply a calibration feature within the ECU where we set up a specifically targeted, very lean misfire once you lift off the throttle.” How does it make the pop and bangs?įor this bit, let’s start with the expert words of main man Stewart Sanderson from Motorsport Developments… And with modern engine management being so damn capable, it means that they are now commonly mapped into the car’s ECU tune. This is because lots of tuners and manufacturers have realised that owners love these kinds of noises. The exhausts of heavily-tuned cars have naturally popped, banged and flamed since the dawn of time, but have you noticed lately, a lot more cars than ever before have been popping and banging from the exhaust when the driver lets off the gas? Mildly-tuned motors and even quite a few factory production cars now have a cool burbling exhaust on the overrun. ![]() ![]() They’re certainly the guys to speak to if you want a safe, but effective map yourself! What are pop and bang maps? But thankfully, the guys at Motorsport Developments are experts when it comes to remapping all factory ECUs, and were more than happy to give us their words of wisdom and help confirm our findings on this subject – so a huge thanks to them. Pops, bangs and flames everyone likes that, don’t they? Well, hell yes you do, and because of this, ECU remaps that make your exhaust pop, bang, and kick flames from the tailpipe when you lift off the throttle are hugely popular these days.īut how do they work? And, more to the point, are they bad for your engine’s health? Well, unless you’ve been living in a cave for the last few years, we’re sure you’ve heard loads of comments both good and bad it’s time for a Fast Car investigation into the matter, so we can find out the truth for you guys.Īs this is a bit of a controversial subject in the tuning scene at the moment, a lot of companies, understandably, declined to get involved. But are they safe and should you get one? Fast Car investigates… ‘Crackle maps’, ‘Pop and bang maps’, call them what you will, they’re mega popular. ![]()
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December 2022
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