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The mkiv Supra Owners Club

Quiet-ish 4" exhaust


Big Mark

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From what I've heard/read 4" exhausts can be a tad loud on a single turbo, which would get a bit annoying on a long journey.

 

http://www.mkivsupra.net/vbb/showthread.php?217156-Exhaust-dB-register&highlight=whifbitz+twin+box.

 

But there is good power gains to be had with upsizing from a 3" so a 4" that was no louder than a 3" could be of interest to some. Tho not at that price. Does look good tho. http://www.superstreetonline.com/how-to/engine/modp-1102-exhaust-test-tech/

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