Cat-Back Dual and Towing??????????

From : jason purcell

Q: i have heard that dual exhaust on the 4.7l v8 will screw up a trucks ability to tow. any truth to that just wondering jason i saw a dual side exhaust that was stainless steel on a 2001 4wd. anybody kmow the manufacture .

Replies:

From : new horizon interlock

reducded back pressure at low end tends to lower the hp./ trq but it breathes better at highend where this application is ussually run. it goes back kinda when headers then came h-pipes x-pipes and so on to get balance and flow. i have heard that dual exhaust on the 4.7l v8 will screw up a trucks ability to tow. any truth to that just wondering jason i saw a dual side exhaust that was stainless steel on a 2001 4wd. anybody kmow the manufacture .