Do exhaust headers increase or decrease fuel consumption/mileage?

Question

And can anyone suggest a qualtity sounding exhaust setup for a GMC Sierra 5.3L V8. Looking for a deep but not too aggressive sound.

Answer 1

Altering the exhaust system to increase the air flow through the engine will make more power. More air out, more air in. More air in, more fuel in. Change the muffler only to change the sound.

Answer 2

It sounds like a competent sign of shifting forward, it is likewise an indication that the nonsense that some positioned up right here is not listened to interior the actual international. issues like they end the wind, they make to lots noise, one even suggested they'd gradual the spin of the Earth a brilliant style of those are fiction the final one is comical fiction. Wind ability is rather solid and there are no on going gasoline costs, wind is meant to be a area of various ability sources, image voltaic is yet another, thermal image voltaic (an Australian invention) can proceed to supply ability after the sunlight is going down. Geothermal is the 0.33, the three of those mutually can produce greater advantageous than adequate ability with out burning any fossil gasoline. there's a delusion it somewhat is perpetuated with the aid of deniers that all of us would desire to stay like cavemen to lessen our ability intake interior the final 5 years there has been a significant ability saving around the international as human beings have shifted to liquid crystal reveal reveal screen instruments and flat reveal television's which the two use drastically much less ability than the CRTs they replace, i'm particular even jello has a flat reveal visual reveal unit.

Answer 3

to change the sound to a deep tone, you need to change the muffler, thrush makes a turbo muffler thats great as well as flow master