MBRP 3 Inch Cat Back Exhaust System Dual Split Side Aluminized Steel For 07-08 Silverado/Sierra 1500 Next Gen S5038AL 2001-2004-6-6l-lb7-duramax It flows 50 percent better Model:170W Universal 2L V8 2WD Cast BKFX-UC4168 2001-2022 GMC Sierra 2500
Description
MBRP 3 Inch Cat Back Exhaust System Dual Split Side Aluminized Steel For 07 08 Silverado Sierra 1500 Next Gen S5038AL 2001 2004 6 6l lb7 duramax It flows 50 percent better Model:170W Universal 2L V8 2WD Cast BKFX UC4168 2001 2022 GMC Sierra 2500 It flows 50 percent better than stock and delivers greater air density to the turbo's inlet than the stock system and all competitors tested SAE J575 Compliant Shock Vibration
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