A stock system is designed to reduce and if possible eliminate all the noise produced by your vehicle. Because of this, the axle-back exhaust system does not impact the flow or pressure of the exhaust gases in any way. The axle-back exhaust system uses the factory exhaust pipe which does not have a large diameter. This offers even more breathing space for the engine thus better performance. Most cat-back exhaust systems are customized and not universal. One is to replace specific parts like with cat-back exhaust systems.
The difference is that the dual exhaust system has two exhaust systems on one vehicle. Meaning, when modifying your exhaust, never start from the front of your turbocharged vehicle with a downpipe or with headers on your naturally-aspirated platform, you will create a bottleneck in the flow. By starting with a cat-back first, your exhaust gases will flow more freely if the rest of your system is stock.
The precious metals inside the converter, including platinum, palladium, and rhodium, are extracted. Ford Motor Company and Shelby American collaborated to create a stunning high performance concept vehicle based on the exciting and innovative Ford Mustang Mach-E GT platform. The big block Shelby Cobra is considered by many to be the most iconic American sports car in history. When GM began to work on a new big block Corvette and Ferrari increased the power of the V12 powered GTO's, Shelby and Ford Motor Company decided to shoehorn the mighty 427 FE motor into the Cobra. By combining Ford's incredible 2015 f250 6.7 egr delete kit-liter Power Stroke® turbo diesel churning out 1,050 lb.-ft. Of torque with a Shelby tuned advanced off-road suspension system, the three-quarter ton truck delivers both serious off-road capabilities with best-in-class towing.
To maintain catalyst efficiency, the air–fuel ratio must stay close to stoichiometric and not remain rich or lean for too long. All of Milltek's performance exhaust systems are manufactured from T304L stainless-steel