New exhaust yes or no.
I have a 2002 Silverado crew cab dually with an 8.1 liter. Thinking about upgrading to a performance exhaust. Is it worth the money to do a cat back on this truck. Are the gains noticeable while to...
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I replaced the exhaust on my diesel because it had a MASSIVE hole rusted through it. Once I informed my wife of the MASSIVE hole, she had no problem with me spending the cash to replace it with something with much more flow potential.
Here is a picture of that massive rust hole: :B :W
Here is a view through the muffler that replaced it:
Installed:
Overall, it is noisier (especially under hard acceleration), and around 2200 RPM - 2400 RPM. When cruising, there is no drone at all, but that ~2300 RPM range does have drone/noise.
The system is 4" mandrel bent aluminized steel, made by MBRP, and shipped to my door was about ~$300.
Here is a picture of that massive rust hole: :B :W
Here is a view through the muffler that replaced it:
Installed:
Overall, it is noisier (especially under hard acceleration), and around 2200 RPM - 2400 RPM. When cruising, there is no drone at all, but that ~2300 RPM range does have drone/noise.
The system is 4" mandrel bent aluminized steel, made by MBRP, and shipped to my door was about ~$300.
