2004 Ford F-150: Anyone Running Rear Diffuser? F150 Xlt Triton 4 6 V8 True Dual Exhuast Using 40 Series

Author Dalbo 16 May 2026

I have a 2004 f150 supercrew lariat 4x4 with about 120k miles Barring after market rear bumpers, is. It issues a shudder upon accelerating, which becomes more pronounced when accelerating and turning at the same time.

Rear Axle for 2005 Ford F-150 | TascaParts.com

2004 Ford F-150: Anyone Running Rear Diffuser? F150 Xlt Triton 4 6 V8 True Dual Exhuast Using 40 Series

I also pulled the cover. I've done all my maintenance except plugs and changing out the front anr read. Our rear diffusers come in custom and oe replacement styles in materials including carbon fiber, so you can get the appearance and performance you’re looking for.

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I started to notice a sound coming from the rear axle of my 2004 f150 xlt scab 4x4 (93,000 mi 9.75 in ring 3.55 gears lsd) over the past year The sound was very similar to the howl from a mud terrain tire. I know a diffuser will have a negligible effect, especially since i don’t race or auto cross my car, but i would like to add to the look of the rear of the car. Trying to find the best rear diffuser for your vehicle

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