9 Inch Diameter Muffler With Built In Y-Pipe For Peterbilt 378, 379

BESTfit Exhaust Y-Pipe With Muffler Fits Peterbilt

Optimize your Peterbilt’s exhaust system with the BESTfit Steel Exhaust Y-Pipe, complete with a 9-inch muffler. This premium exhaust component is made from high-quality steel, offering unmatched longevity.

* Made Of High Quality Steel
* 5 Inch Length With 9 Inch Muffler
* Sold Individually
* Made In USA
* Warranty On Exhaust Pipes Against Defects In Workmanship & Material From Date Of Purchase.

***High Quality Aftermarket Replacement Part (Not OEM)***

* This Item Is Special Order. This Item Will Not Be Able To Be Canceled And Is Non-Returnable.

Fitment

* Fits Peterbilt 378 1988 thru 2007
* Fits Peterbilt 379 1987 thru 2007