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This aFe Pro Dry S drop-in air filter element (SKU: afe-magnum-flow-pro-dry-s-air-filters-21-91087) is a direct replacement for vehicles requiring part number 21-91087 that swaps out your restrictive OEM paper filter for a high-flow performance alternative
One coilover
Dial in your F-150 for prerunner pace or rock-crawling precision
heat shield or air box
This aFe Pro 5R drop-in air filter element (part 30-10137) is a direct replacement for 2004-2008 CROSSFIRE
MACH FORCEXP MUFFLER Differential Covers This aFe Pro Dry SThis performance muffler from Atech Motorsports (MUFFLER) is engineered to replace the restrictive factory unit with a high flow design that improves exhaust velocity and reshapes the vehicle's sound profile. The internal architecture uses fully welded internal baffles tuned to eliminate resonant frequencies that cause interior drone while producing a mellow daily driver character with a sharp bite under load. Flow increases of 40 60% over stock are
