Skunk2's Universal Mufflers are designed for maximum flow and power, featuring the same high - quality specifications as our more comprehensive MegaPower Exhaust Systems. Each muffler is manufactured of T - 304 stainless steel, robotically TIG welded for precise fitment, and features a large, 6.5 - in. canister. Universal Mufflers can be fabricated to most OEM, aftermarket, or custom - built exhaust systems. Skunk2's Japanese - spec, Super N1 - style, low - restriction mufflers feature fully polished, over - sized exhaust tips, each with their own acid - etched MegaPower badge and serialized nameplate.