This article isn't about "How Dynos Work", or "Types of Dyno". This was written specifically for understanding aftermarket parts - how to read the graphs to decide which parts to choose. So it applies to only chassis dyno runs, with an emphasis on comparison.
If you're the kind of user whose reason for getting an air intake is just the sound, this article isn't for you.
You honestly can just take a sewer pipe and wrap a piece of rag at the end to achieve that objective.
This detailed article explains the different aspects of an Aftermarket Air Intake System from materials to design, and warns how a cheap air intake system can lead to power losses.
Installing FTP Motorsport Charge Pipe on a Mercedes C180 (W205).
Unboxing the FTP Motorsport Charge Pipe & Boost Pipe for BMW 520i (F10) [N20].
Installing SRT Sport Cat-Back Exhaust on a Jeep Wrangler JK (2007 - 2018) [3.6L V6].
Unboxing the FTP Motorsport Charge Pipe & Boost Pipe for BMW 535i (F10) [N55].
Unboxing the aFe Power Catback Exhaust for Honda Civic Type-R FK8 (2017) [2.0L I4 Turbo].
Installing FTP Motorsport Charge Pipe & Boost Pipe on a BMW 316i (F30) [N13].
Installing the Fabspeed Carbon Air Intake for Porsche 911 Carrera S (997) [3.8L H6].