Virtually indestructible 100 percent stainless TorqueTubes maximize exhaust extraction, unleashing gobs of torque. Exclusive tuned-length, parallel 5-tube exhaust manifolds designed specifically for motorhomes. 5-Year Limited stainless steel construction never cracks or blows. Mandrel-formed tubes tune exhaust flow for maximum torque. Patented PowerPickle pulse converter...

Banks engineers dramatically improved the V-10s airflow and optimized engine efficiency. Best gains: +53 hp and +69 lb-ft, and 7 percent more MPG. Although the 6.8L V-10 Triton has two more cylinders than Fords discontinued 7.5L V-8, its nominally 10 percent smaller capacity makes...