:: ECS Tuning :: AR Design | Hand Crafted for your Car | Made in the USA
:: ECS Tuning :: AR Design | Hand Crafted for your Car | Made in the USA

ECS Tuning is now proud to offer the complete AR Design product line.

The N54/N55 engines fitted to the E9x 335i/is/xi like turbo modifications - these powerplants are highly responsive to all manner of boost, exhaust, and software modifications.
One of the latest exceptional upgrades available for these engines comes from AR design in the form of their Hi-Flo™ 3" Downpipes w/ Magnaflow Race Cats.
The AR downpipes were designed to meet the cat-back flange at a full 3 inch diameter instead of reducing to 2.5 inches like existing systems.
TIG welded in the U.S. using argon back purging, these units are of extraordinarily high quality and design.
Click HERE for your E9X 335i/is/Xi Ar Design Downpipes
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