01-10 Duramax BD Diesel Full Bore Driver Side HD Exhaust Manifold Cooling Again MAD Electronics has done

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01-10 Duramax BD Diesel Full Bore Driver Side HD Exhaust Manifold Cooling Again MAD Electronics has done01 10 Duramax BD Diesel 1041460 Full Bore Exhaust Manifold will restore the balance to your engines exhaust flow, reduce cylinder load and reduce exhaust gas temperatures. The factory driver side exhaust manifold in your 01 10 Duramax is pinched down to allow for steering shaft clearance that isn't even required! As a result, your exhaust flow is significantly disrupted. The BD Diesel Full Bore Exhaust Manifold addresses this issue by maintaining