Unwanted reactions result in the formation of hydrogen sulfide and ammonia, which poison catalysts. Nickel or manganese is sometimes added to the washcoat to limit hydrogen-sulfide emissions.[citation needed] Sulfur-free or low-sulfur fuels eliminate or minimize problems with hydrogen sulfide. It also boasts the ultimate in customization, including the optional 700+ horsepower Shelby GT S/C version.
You get the only the best with SPD's 3" resonator delete pipes. These aluminized steel pipes are 3" .. SPD's high performance resonator cat-back pipe replaces your factory resonator pipe with a true 3" p.. The welds and craftsmanship are top notch, and the tips look perfect.
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