Surprising Insight: Throttle Body Spacers Boost Fuel System Efficiency & Power When it comes to upgrading a vehicle's performance, the fuel system often takes center stage-think high-flow fuel pumps, precision filters, and optimized injectors. But what if the secret to unlocking more power and efficiency lies in a component you might overlook? Enter the throttle body spacer, a small yet significant innovation that quietly reshapes how air and fuel interact in your engine's intake. For Jeep owners navigating the 2.4L and 4.0L engine landscape, the A-Premium Electric Fuel Pump Module Assembly with Sending Unit (model E7200M, 5161335AD) and its counterparts for Cherokees and Libertys offer reliable replacements to ensure consistent fuel delivery. These modules are engineered to work seamlessly with stock or modified setups, but their true potential shines when paired with an upgraded throttle body spacer. The Throttle Body Spacer Compatible with 91-06 Jeep Wrangler TJ YJ LJ Cherokee XJ 2.5L/4.0L (with gasket, 1" raise manifold) isn't just about airflow-it's about creating a more efficient combustion environment. By increasing the intake tract's volume, it allows the fuel system to operate at its optimal ratio, reducing strain on the pump and enhancing power. Meanwhile, the A-Premium Fuel Filter (E7072S, FE0108) ensures that the fuel flowing through the system is clean and free of contaminants, a crucial factor in maintaining long-term performance. But here's the twist: while the filter and fuel pump are foundational, the throttle body spacer acts as a bridge, amplifying the synergy between these components. Imagine a low-flow fuel pump struggling to keep up with a restricted intake-by easing the load, the spacer allows the system to breathe better, much like a filter keeps the fuel clean. In the world of automotive upgrades, the fuel system is often viewed as a standalone entity. Yet, the throttle body spacer reminds us that even the smallest changes can ripple through the entire system, offering a surprising path to more efficient combustion and a tangible boost in power. Whether you're tuning a classic Wrangler or a newer Cherokee, these products aren't just replacements-they're enablers of a more refined driving experience.