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Gibson’s Superflow mufflers are dyno-proven to dramatically increase the performance of your low to mid-range RPMs due to their Convergent Flow technology and straight design that makes exhaust flow more efficiently. Gibson is known as the leading manufacturer of street-legal, high performance exhaust systems for trucks, SUVs, diesels, off-road vehicles and RVs.
Fits the following GMC K35 Years
Walker's SoundFX Mufflers feature a sophisticated pipe routing and tuning technology that provides better flow and favorable OE-style sound. Their all-aluminized construction provides longer service life and quality appearance.