Join Date: Apr 2012
Location: Bloomingdale, OH and Sugar Land, TX
I have the vararam on the GXP and the K&N on my 2003 1500 5.3L Silverado. I believe the performance gains on both were similar but have not dyno'd either. I paid the extra on the K&N for the polished stainless so it dressed up the engine nicer, the vararam didn't offer that option.
2009.5 G8 GXP Liquid Red, Onyx Interior, Sunroof, 6-Speed Manual, High Flows Zero Drone Performance Exhaust, Vararam cold air intake, BMR Sway Bars Front and Rear, Vector Motorsports ported intake manifold, MGW short throw shifter, SLP Firehawk Spoiler,
Vector Motorsports Optimized ECM calibration, Upgraded speakers all around (11)