Trailblazer/Envoy experts

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okcBob

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2005 with the 4.2 engine. Replacing the original exhaust. Need advice for a cat-back system. Better performance would be nice but don’t need a lot of noise. Considering a cat-back with performance muffler, cold air intake & tune vs just cutting off the ugly coffee can resonater.
Anybody have experience with this?
Tnx
 

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