I think he means get under there and smack them with a big rubber hammer to see which one rattles and which one doesn't. It's either that, pay for a backpressure test, or change the pair of them for magnaflows or something.

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"When you do things right, people won't be sure you've done anything at all" (Bender, futurama)

You make something idiotproof, they'll make a better idiot

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X5 pics

RIP 4.6is.....

2003 4.6is