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Old 10-20-2011, 09:40 PM
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Join Date: Oct 2011
Location: Ontario, Canada
Age: 49
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Vehicle: 2011 Ram 1500 Crew
Trim Level: Sport
Color: red
Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
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Default Exhaust question

Please correct me if I'm wrong. The exhaust system under my truck begins at the exhaust manifold to a pair of cat's then merge into a single pipe to the muffler where it spits again into two resonators before exiting out the back.
If this is correct, then a cat back system would replace everything other than the manifolds. Seeing as the two pipes would have to be cut to install a cat back, why not replace everything and include a couple of headers then?

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