Shelby Mustang GT350 2016-2021 Long System

The 2016 Shelby Mustang GT350 5.2L flat plane crank V8 engine is the definition of high performance. If you’re looking to improve on performance, look no further than the American Racing Headers Long System. Available with your choice of 1-7/8″ or 2″ primaries (for max effort applications), our Long System is constructed entirely in 304 stainless steel and features a 3″ X-pipe. A simple cut and mark installation (no welding required) joins the Long System to your existing configuration. Also available as a Direct Connect System and Full System including our Pure Thunder Series mufflers. Product features on this system includes: 100% Made in the USA – Never Outsourced Made entirely of 304 stainless steel 3/8″ thick laser-cut flanges for a warp-free seal Hand-ported TIG welded inlets Optimized primary tube routing for superior fit and performance Merge collectors with scavenger spikes Catted systems feature severe duty 300 cell catalytic converters with the option to upgrade to 400 cell G-Sport catalytic converters. Call before ordering to upgrade. Attn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads/highways and may be subject to fines and/or criminal liability as per the Clean Air Act.