The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Cutting exhaust to fit gas tank under bed?

dsraven · 04-02-2018, 05:01 PM

some would have the pipe exit to the outside of the frame and channel back to the rear, thereby avoiding the tank altogether. the issue is the heat, possible hot carbon particles and also the oxides of nitrogen etc given off by the exhaust. the exhaust will usually rust everything downstream from it's outlet if possible. also, if idling for extended periods the fuel will heat up in the tank from the hot fumes. the less fuel in the tank the quicker it heats up.ensure you have a good vent yhat exits away from the exhaust exit area.
anyway, just, thoughts. lots of vehicles have midship exits and down turned pipes. sometimes that's all that works.

04-02-2018, 05:01 PM	#3
dsraven Registered User Join Date: Nov 2010 Location: calgary alberta Posts: 8,490	Re: Cutting exhaust to fit gas tank under bed? some would have the pipe exit to the outside of the frame and channel back to the rear, thereby avoiding the tank altogether. the issue is the heat, possible hot carbon particles and also the oxides of nitrogen etc given off by the exhaust. the exhaust will usually rust everything downstream from it's outlet if possible. also, if idling for extended periods the fuel will heat up in the tank from the hot fumes. the less fuel in the tank the quicker it heats up.ensure you have a good vent yhat exits away from the exhaust exit area. anyway, just, thoughts. lots of vehicles have midship exits and down turned pipes. sometimes that's all that works.