Looking for a way to take your L5P Duramax to the next level? Check out the AFE 46-20331 GT Intercooler Upgrade. This direct replacement intercooler features a bar & plate core design for superior strength and durability, and comes with four 1/8" NPT ports for easy installation. The billet aluminum inlet/outlet ensures a perfect fit, while the TIG-welded construction ensures lasting performance. So don't wait any longer, grab this upgrade and take your Duramax to the next level today!