Search for airflow upgrades for a BMW M340i or Toyota GR Supra and you'll see intakes, turbo inlets, and charge pipes side by side. They might all look like variations of the same part in a product photo, but each one replaces a different section. An intake changes how air enters the system. An inlet carries that air to the turbo. A charge pipe carries air that the turbo has already compressed.

Mastery of Art and Design (MAD) offers all three at Extreme Power House. The best starting point depends on what you want to change: the sound and layout of the intake, the connection to the turbo, or the pipe on the pressurized side. Here's how to tell the parts apart, with examples for the BMW B58 and S58 and the Toyota GR Supra 3.0.

Start with the intake if you want to change what you hear

The intake is where outside air enters through a filter. Changing the filter housing or where the filter sits can make the sound of the turbo drawing air more noticeable. If that sound is what you want from the upgrade, pay attention to the filter location and enclosure. Two systems for the same car can take very different routes through the engine bay.

On the B58-powered Toyota GR Supra and BMW Z4, the MAD high-flow intake with heat shield is one example. It uses a heat shield around the filter to help separate it from nearby engine bay heat. Match this listing to the A90 GR Supra 3.0 or G29 Z4 M40i with the B58. If you're shopping for a four-cylinder Supra, use the engine code to find the right listing before comparing filter styles.

MAD takes a different approach with its S58 front mount silicone intakes. This listing covers the G87 M2, G80 M3, and G82 M4 and uses a front mount layout. If you're deciding between an engine bay intake and a front mount system, look at the installed photos. They show where you'll reach the filters for service and give you a better sense of how the layout will look on the car.

A turbo inlet can be a smaller change

The turbo inlet sits on the suction side of the turbo, between the intake and the compressor. If you like your factory airbox, an inlet is a way to change that connection while keeping the filter and housing you already have. The catch is that the inlet has to mate with both ends. A part that fits the turbo still needs to match the outlet of your particular intake.

The MAD-108 B58TU turbo inlet is listed for use with the factory intake and compatible MAD intakes. XPH lists applications including the G20 M340i, G22 M440i, G29 Z4 M40i, and the Mk5 GR Supra 3.0. If your used car already has an aftermarket intake, identify the brand and model first. Compatibility with the stock airbox or a MAD system doesn't establish compatibility with every other intake on the market.

This is also where it pays to read the parts list before buying a full intake and a separate inlet together. Check where the intake kit ends, what hardware it includes, and whether it already replaces the section you planned to upgrade. That quick comparison can save you from ordering two parts for the same spot.

The charge pipe handles air after compression

Once air leaves the turbo compressor, it travels through the charge-air path under pressure. A charge pipe lives on this side of the system. Its connections have a different job than the ones on the intake side: they need to seal when the system is under boost.

The MAD B58 Gen 2 charge pipe kit replaces the factory pipe on supported BMW and Toyota applications. The kit includes silicone couplers, stainless steel clamps, and O-ring seals. XPH specifies the two-bolt throttle body flange for this Gen 2 kit and distinguishes it from the three-bolt flange on Gen 1. The listing includes the A90 GR Supra, G29 Z4, G20 3 Series, and G22 4 Series with the compatible engine. Confirm the engine generation and flange before ordering. Seeing "B58" in the description is only the first check.

If the car already has a suspected boost leak, have the leak located before ordering a part. The pipe, a coupler, and a seal can produce similar symptoms if any of them leaks. Knowing where the air is escaping gives you a better starting point than replacing everything in the path.

If your build already uses an aftermarket intake manifold or turbo, tell your installer what parts are on the car. A kit designed around the factory connections may not meet the new parts in the same place. Checking the connection points before the car comes apart is especially useful when you are scheduling several upgrades for the same shop visit.

Pick the part that matches your build

Say you have a G20 M340i and like the factory airbox. If your goal is to replace the connection from that airbox to the turbo, compare the MAD inlet and check your exact fitment. If the goal is a different intake sound and layout, start with the intake itself. If you're working on the pressurized side of a compatible B58 Gen 2 setup, look at the charge pipe and verify the flange and connections.

Write down your chassis, engine generation, and the parts already installed before you shop. If you plan to change more than one piece, compare the kits at their connection points so you know what can stay and what needs to change. Each part should solve a specific problem or give you something you actually want from the car.

Shop Mastery of Art and Design at Extreme Power House to compare MAD intakes, turbo inlets, charge pipes, and other upgrades for your build.