9" Round Mufflers
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M-557-0 Type 1 Muffler 9" x 34" Peterbilt 379 Extended Hood Low Restriction
Grand Rock
OEM PRICE $612.00YOUR PRICE $432.00M-557-0 Type 1 Muffler What other exhaust parts will I need? Depending on your current exhaust system, you could need several truck pipes to complete the job. If you are needing to find out what OEM pipe fits your truck, It is best to call a...GRCM-557-0OEM PRICE $612.00YOUR PRICE $432.00 -
M-533-0 Type 1 Muffler 9" x 25" Peterbilt 379 LOW RESTRICTION
Grand Rock
OEM PRICE $643.00YOUR PRICE $443.00M-533-0 Type 1 Muffler What other exhaust parts will I need? Depending on your current exhaust system, you could need several truck pipes to complete the job. If you are needing to find out what OEM pipe fits your truck, It is best to call a...GRCM-533-0OEM PRICE $643.00YOUR PRICE $443.00