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Old 02-20-2013, 05:53 PM
S.C. Express S.C. Express is offline
Dodge Ram Forum Senior Member
Join Date: Jul 2012
Location: North Augusta S.C.
Age: 40
Posts: 1,017
Gender: Male
Vehicle: 2012 Ram Express
Trim Level: Express
Color: Silver
Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
Rep Power: 0
S.C. Express will become famous soon enough

dual 3" pipes would kill your power. A single 3" pipe would be fine. You don't need a full 3" dual exhaust unless you are running a 500+hp big block or running boost. It's dyno proven that high boost aps need larger diameter exhaust. I've seen 4 cylinders with turbos running 3 1/2 to 4 inch piping making around 400 hp and tq to the wheels.
As for the resonators, they are not restrictive. You will see no gains from removing them. They just help minimize drone, thats it.
Jones MaxFlow 18" muffler swap, Green Performance drop in air filter..
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