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New Product: 2015 Mustang Cat-Delete Pipes

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By EditorTurner

New Product: 2015 Mustang Cat-Delete Pipes

Off-Road Remedy

MAK Performance created a simple cat-delete system for the latest Mustang GT

By Steve Turner
Photos courtesy of MAK Performance

From the moment we laid eyes on the 2015 Mustang GT’s exhaust components, we knew that driver-side catifold would be an issue. The fusion of exhaust manifold and catalytic converter would make it difficult for enthusiasts to just swap on a high-flow mid-pipe for the track. This setup would seem to mandate a move directly to headers. Well, that’s not quite the case…

Here’s a comparison of the stock exhaust pipe on the top and the MAK cat-delete pipe on the bottom. Clearly, the passenger-side pipe is a direct swap. It’s the driver side, with its integral manifold and catalytic converter that needs modification.
Here’s a comparison of the stock exhaust pipe on the top and the MAK cat-delete pipe on the bottom. Clearly, the passenger-side pipe is a direct swap. It’s the driver side, with its integral manifold and catalytic converter that needs modification.

The clever folks at MAK Performance in Hialeah, Florida, created Off-Road Cat Delete Pipes (PN MAK-MUS15001; $399) for the new 5.0 Mustang. Yes, this setup still requires some cutting and welding on the factory manifold, but it does offer a more affordable solution than moving right to a complete exhaust system upgrade.

“On the S550—more than previous models—the exhaust is a great point of restriction. Mustangs have not had 2.25-inch exhaust since the early ’90s, so with this new Coyote motor we knew that size piping was just begging to be upgraded,” say the folks at MAK. “While Ford made some changes that do not allow this to be as easy as in years past we have taken out the guesswork and provide detailed instructions with pictures to make the process as painless as possible.”

With some cutting and welding, the driver-side MAK pipe will bolt on like this.
With some cutting and welding, the driver-side MAK pipe will bolt on like this.

The kit in question includes 3-inch, mandrel-bent, 409 stainless steel piping. After you cut and weld the driver-side catifold, this setup retains the factory connections, and the kit includes all the necessary hardware and bracketry. MAK Performance describes it as a 75-percent bolt-in, so the other 25 percent is done by taking your factory driver-side manifold to an experienced welder to mod it for the new setup.

MAK is also offering resonator, a.k.a. suitcase, deletes in H- and X-pipe configurations that will bolt up to is own cat-delete pipes or the stock exhaust.

Here’s what the completed install looks like. The MAK pipes are measure 3 inches in diameter and are bent from stainless steel piping.
Here’s what the completed install looks like. The MAK pipes are measure 3 inches in diameter and are bent from stainless steel piping.
As you can see, the pipes clamp to the stock suitcase and accept the factory oxygen sensors.
As you can see, the pipes clamp to the stock suitcase and accept the factory oxygen sensors.
If you want to delete that heavy factory resonator, MAK offers a delete setup that let’s you replace it with an X- or H-pipe crossover.
If you want to delete that heavy factory resonator, MAK offers a delete setup that let’s you replace it with an X- or H-pipe crossover.

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