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Flowmaster

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Flowmaster Super 40 Series Mufflers

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The Sound of Flowmaster Mufflers

The Sound of Flowmaster Mufflers

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If you're ready to get your street machine sounding as good as it looks, it's important to know how each muffler will affect your sound and performance. Take a listen and decide which muffler is best for your rod.

Speedway Tech Talk - Hooker's Maximum Flow Single 3-Inch Muffler

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Chamber Muffler Swap Guide

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An overview on swapping turbo mufflers for chamber mufflers on a 1969 C/10 pickup. See how to extend the muffler length using exhaust pipe.

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For the most innovative exhaust system products in the performance automotive industry, choose Flowmaster! Flowmaster Super 40 Series Mufflers feature a 2-chamber design while offering a deeper, richer tone & feel than the original 40 series. The Super 40 is the most aggressive, deepest sounding street muffler on the market! Get a Flowmaster Super 40 Series Muffler fast with Speedway Motors' award winning service and same-day shipping!

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