MBRP straight pipe?
Ok I'm wondering if I'll lose horsepower or torque by removing my MBRP performance muffler, and putting in a MBRP muffer delete straight pipe in it. Its on a 4in dual system and i don't wana pay $118 bucks to lose power but i do want it louder
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RAtwood
24 Valve 2nd Gen Dodge Cummins 98.5-02
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Apr 12, 2015 08:56 PM



