-Stainless 3” Porter Mufflers- Made 429 HP at the wheel with our Porter Mufflers. Made 435 HP at the wheel through the exhaust cut-outs. If your not using Porters, your Mufflers are robbing your power! | Porter Mufflers
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-Stainless 3” Porter Mufflers- Made 429 HP at the wheel with our Porte…
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Here’s proof from YouTube that Porter Mufflers sound great even on modern 6 cylinder engines! (4L) 2007 Mustang. 2.5” Shorty, American Made Porter Mufflers!#mustang #6cylinder #mustangs #portermufflers #customexhaust | Porter Mufflers
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Here’s proof from YouTube that Porter Mufflers sound great even …
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Check out the sound after these Porter Mufflers are installed!! Thank you Neal Johnson for sharing!! #chevybelair #chevybelair51 #portermufflers #porterequipped #americanmade | Porter Mufflers
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Check out the sound after these Porter Mufflers are installed!! Tha…
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