4 of the Best L5P Duramax Upgrades To Consider You may already be familiar with the quality of your L5P Duramax engine, but do you know of its untapped potential? The L5P Duramax has many upgrades you should consider in order to obtain exceptional performance from your engine. These upgrades will help take things to the next level! Performance Tuning Performance tuning is an absolute must for enhancing your L5P Duramax. By custom-tuning the engine, you can unlock its horsepower and torque and...
