Pony Express

Pony Express

A new, true high-performance exhaust system designed specially for all 1967-70 Ford Mustangs

Face it, there just aren’t a lot of choices for you when it comes to bolting up an exhaust system that is truly designed for your 1967-70 Mustang. Most of the time, you’re caught up trying to build a system that is a mixture of some mufflers you like, a less-than-optimal header configuration, a cross-over tube that makes transmission removal a huge (or impossible) chore, and exhaust tips that are randomly configured by the muffler shop.

The folks at Flowmaster® have heard your cries and come up with an American Thunder exhaust system that uses their tried-and-true Super 44™ mufflers. The system features the correct-sized 2.50-inch mandrel-bent exhaust tubing all built to install (less head-pipes) in your second-generation Mustang. The system can be had either with turndowns at the rear valence (part number 17282) or for Mustangs with the GT-style exhaust tip cutouts in the valence, part number 17281 with chrome 3-inch tips is a great choice.

Flowmaster’s advanced ball-flange connector makes certain that the system seals tightly to your header flange. Adapting this system to engines equipped with stock configuration exhaust manifold requires adapting a head pipe to make the final connection.

An added benefit to the ease of the system’s installation is the performance “streetable” sound achieved. The simple fact remains that many custom systems can actually be detrimental to the performance of your vehicle by using tubing that is too large for your application. Simple things like exhaust downturns in the wrong place just making driving a miserable, ear-wrenching experience by creating a resonance that will have you considering you next purchase to be a “For Sale” sign. This system is the perfect solution for a difficult problem facing owners today.

Follow along as we detail the installation of the new Flowmaster American Thunder® exhaust system on a 1967 Shelby Mustang, a fitting candidate for this upgrade.

For more info go to: www.flowmastermufflers.com or call the tech line at: (800) 544-4761

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