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I have an o/r prochamber and welded in flowmaster 40s... i been told that i should have jus bought a catback bcuz the piping gives u more hp... would having the bigger piping really give me more hp?
I have an o/r prochamber and welded in flowmaster 40s... i been told that i should have jus bought a catback bcuz the piping gives u more hp... would having the bigger piping really give me more hp?
Yes the catback gives you more hp than just mufflers.