MBRP 2011 GM 6.6L Duramax Dual 4in Filter Back Exhaust Aluminized
MBRP 2011 GM 6.6L Duramax Dual 4in Filter Back Exhaust Aluminized
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2011 Chevy/GMC 2500/3500 Duramax 4in Filter Back, Cool Duals(tm), Installer Series

KEY FEATURES:
* Mirror polished T304 stainless steel tips
* Delivers a rich, mellow exhaust note
* Installs with common hand tools
* Can improve fuel economy by 1-2 mpg
* Boosts torque and horsepower
* Specifically designed for particulate filter vehicles
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