MagnaFlow XL Series 4 x 9 x 18 英吋橢圓形多腔性能排氣消音器 13259

This oval muffler fit perfectly under my truck and the multi-chamber design really cuts down that annoying interior drone. The perforated tubing seems to handle flow better than my old straight-through, with a nice deep tone at idle.

After installing this muffler, the drone at highway speeds is almost completely gone, which was my main complaint with the old setup. The perforated tubing really seems to do the trick for smoothing out the exhaust note at all revs.

I swapped out my old muffler and the perforated tubing really smoothed out the exhaust note without choking the flow. The oval shape fit perfectly into the tight spot under the chassis, which I wasn't honestly expecting. Installation took about an hour, and the whole system just feels more responsiv