MagnaFlow 2004 福特 F-150 Heritage SVT Lightning 5.4L / 1999-2003 福特 F-150 5.4L 原廠等級 聯邦/EPA 認證 直接安裝觸媒轉換器 51416

Had a persistent p0420 code that wouldn't go away with cheaper fixes, but this direct-fit unit bolted right up and cleared it on the first drive. The mandrel-bent tubing is noticeably smoother than the crushed factory pipes I took off.

The factory welds on my old unit had finally rotted through, but this direct-fit replacement lined up perfectly and bolted right in without any modifications to the exhaust pipes. It’s been about 600 miles now with zero issues and the check engine light stays off, thanks to the corrosion-resistant t

Finally cleared that persistent code on my '01 5.4L. The mandrel-bent tubing made installation a breeze compared to the stock unit, and the fit was dead-on. Been two months and no return of the check engine light.