MagnaFlow 2004-2006 ジープラングラー 4.0L ストリートシリーズ キャットバックパフォーマンスエキゾーストシステム 16695

The deep, resonant tone from this Street Series cat-back completely changes how the Jeep feels—it actually pulls harder through the mid-range. I love how the sound is aggressive but never obnoxious on the highway, and the dyno-proven performance gain is a bonus.

Installation was straightforward on my 4.0L, and the cat-back design bolted up without needing any extra parts. The resonant tone at cruising speed is noticeable but not drone-y, and I can feel a slight pep when merging onto the highway. Exactly the personality this Wrangler needed.

I was hesitant because my stock exhaust sounded like a tired sewing machine, but after installing this system the deep rumble at idle is exactly what this 4.0L needed—the sound is aggressive but never drone-y on the highway.