Mishimoto 3inch Stainless Steel Cat Back Exhaust Subaru WRX / STI 2015-2021 Vehicle Model_Veloster They are much stiffer and

They are much stiffer and more wear resistant that the stock pieces

no need to wet it before wrapping headers or pipes

Optional caliper finishes and rotor designs provide choices that enable the builder to personalize the style and optimize brake performance

Excellent Chemical Resistance

Mishimoto 3inch Stainless Steel Cat Back Exhaust Subaru WRX / STI 2015-2021 Vehicle Model_Veloster They are much stiffer andPart: # MMEXH WRX 15 The biggest complaint is the stock cat back exhaust systems lack of aggressiveness. By installing the Mishimoto Performance Stainless Steel Cat back, the exhaust system is able to breathe easier, providing horsepower, torque, and a rich exhaust tone. After comparing many different muffler sizes and designs, the Engineers at Mishimoto chose oval mufflers which prevent highway drone, but still provide an aggressive exhaust tone.