Unleash the sound and performance your GM 2500HD or 3500HD deserves with Flowmaster’s FlowFX Direct-Fit Muffler System! Built from durable 409 stainless steel, this easy bolt-on upgrade delivers an aggressive tone with no drone, plus dyno-proven gains of 7 hp and 5 lb-ft to your 6.6L gas engine truck. Of course, backed by Flowmaster's Lifetime Limited Warranty. Shop Now: https://holley-social.com/FlowmasterGM718155FB #Flowmaster #FlowmasterMufflers #FlowmasterExhaust #GM | Flowmaster

Flowmaster Flow FX Extreme, Cat-Back Single Out Dump Exit for 2004-2015 Nissan Titan 5.6L Upgrade your 2004-2015 Nissan Titan's performance and sound with the Flowmaster FlowFX Extreme Exhaust System. Designed specifically for the 5.6-liter engine, this stainless steel cat-back system delivers up to 16 horsepower and 23 lb-ft of torque over stock. The 3.00-inch mandrel bent tubing optimizes exhaust flow, while the FlowFX series muffler provides an aggressive to moderate sound level. With a dump

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