Performance Sport 387 Peterbilt Stack 5” X 5” 11”W 62.5”L Muffler
Performance Sport 387 Peterbilt Stack 5” X 5” 11”W 62.5”L Muffler
CUS-061-10
$390.00

*Most in stock orders placed before 2:00 PM on weekdays will ship same day. If you need your order expedited please call (724) 360 4080. *Update Fall 2021: All carriers are experiencing delays. Your shipment may be delayed in transit.  


The Pittsburgh Power Muffler increases performance and fuel mileage by reducing exhaust back-pressure. Our testing shows as much as a 50 HP increase and a 1/4 mile per gallon improvement. Included with a 1 year 100,000 Mile Warranty.