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GM
2001-2016 GM Exhaust Manifold LML Style
2001-2016 GM Exhaust Manifold LML Style
Regular price
$442.35 USD
Regular price
Sale price
$442.35 USD
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GM 12637647 is an update for the driver side exhaust manifold for your 2001-2016 GM 6.6L Duramax truck. It features a full bore, unlike the factory exhaust manifolds that were restricted, and will provide you additional clearance. The increased flow will enhance throttle response and better overall performance. This part is an exact replacement part for 2011-2016 GM 6.6L Duramax trucks.
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