Quote:
Originally Posted by gdgraph
The J-pipe essentially works by creating an opposite resonance to the exhaust to try to cancel some of the drone out.
The x-pipe is unrelated to fixing drone, you can't really fix drone with an x-pipe. Our cars actually already come stock with an x-pipe already on them. One thing to note though is that the stock x-pipe is a cheaply made "stamped" x-pipe whereas most good quality aftermarket x-pipe are not stamped, which means they get better flow through them and therefore better performance.
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What exactly do you mean by stamped