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These Edelbrock stainless steel cased mufflers represent an extraordinary change in exhaust technology. Their internal Tru-Flo core utilizes equal length runners and 409 perforated stainless steel construction. The mufflers have special ceramic packing formed around a low-turbulence dual-bypass perforated core. This design splits exhaust gasses into two separate parts that flow faster. Sound impulses are dissipated into the durable ceramic packing meaning the extra flow creates less backpressure and more horsepower.

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MAKE ME AN OFFER!!

Edited by SHZ350
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https://www.sau.com.au/forums/topic/268733-edelbrock-4-muffler/
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