The TIG welded aluminum tanks are much larger than the OE plastic tanks offering superior strength and fluid volume. A larger 2-row 42mm core increases cooling efficiency and capacity. This high efficiency core uses CSF’s Exclusive B-Tube Technology, maximizing airflow and heat dissipation. CSF’s multi-louvered fins significantly increase the heat exchange surface area improving overall cooling efficiency and recovery while maintaining proper airflow. 100% All-Aluminum construction ensures the best performance and durability. The mounting tabs and brackets are much stronger and more durable than the OE plastic design. In addition, the Heat Exchanger also features an integrated bolt on rock guard to keep the cooler safe. This rock guard is metal and much more robust than the factory plastic rock guard. Now you can feel more confident that your cooling system is safer from debris. The CSF Transmission Cooler features a unique dual pass design to maximize cooling performance. The engineers at CSF came up with this unique design to take advantage of the extra space originally taken up by the OE Cooler and oversized plastic cradle. This design essentially doubles the cooling capacity while still fitting perfectly in the OEM position with no modifications necessary. By changing from the OEM single core design to a dual core, CSF was able to increase the overall volume by 201%. This design offers a drastic improvement in heat dissipation and increases the fluid capacity of the coolers. Utilizing CSF’s AC Condenser Technology, a 1-Row Super-High Pressure 16mm 9-Channel Microtube design optimizes oil flow and offers maximum surface area contact. These features combine to offer the best possible heat dissipation from the system. CSF knows the kind of punishment the front of a car can take on or off the track. The wrong bit of debris flying through the front grille can quickly punch a hole in a cooler. Because the Transmission cooler sits at the very front of the center cooling stack, it is quite vulnerable to damage. The factory grille is the only form of protection for the OEM transmission cooler. However, this still isn’t the level of protection many race teams and enthusiasts are comfortable with. To address this concern, CSF has incorporated a rock guard to keep your cooler safe and your X3M/X4M running strong in the event of debris making it through the front grille. - Significantly Reduces Intake Air Temperatures (IATs) for Maximum Performance (with Faster Heat Soak Recovery) - Improves Air Flow to the Rest of the Cooling System for Lower Engine Coolant Temperatures - Heat Exchanger: 2-Row – 42mm Ultra-High-Performance Core - Heat Exchanger: 6.5mm Tall Multi-Louvered Fin with   CSF’s Exclusive B-Tube Technology - Heat Exchanger: Upper Rock Guard and Transmission Cooler Mounting Kit - Heat Exchanger: Hand Brushed Satin Finish - Transmission Cooler: Dual-Core Design – 201% Increase in Core Volume - Transmission Cooler: Made with CSF’s AC Condenser Technology Using a 1-Row Super-High Pressure 16mm 9-Channel Microtube for Optimal Oil Flow and Maximum Surface Area Contact - Transmission Cooler: Pre-installed foam strips for increased sealing - CNC Machined Mounting Brackets and OEM Style “Quick Connect” Inlet/Outlet - 100% All Aluminum TIG-Welded Construction - True Plug-and-Play “Drop-in Fit” Installation Requires Absolutely No Modifications - 2-Year Limited Warranty