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Complete Systems (LMM)

We have complete bolt on exhaust systems for your LMM Duramax. 5" and 4" complete exhaust kits are available to replace that restrictive Duramax LMM exhaust system.  These exhaust kits for your LMM Duramax bolt on in less than an hour with simple hand tools.  Just an 11mm wrench, 13mm wrench, and a 9/16" deep well socket or wrench.  That is all you need!

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