That brings us to the straight pipe exhaust system. The exhaust of a vehicle serves a few very important purposes: quickly removing harmful post-combustion gasses to make room for incoming air in ...

the exhaust manifold is the first section of a vehicle’s exhaust system. It funnels exhaust gases from all the cylinders and routes them to the car’s catalytic converter. V-type engines have a ...

GMC Sierra heavy-duty ... and the diesel exhaust pipe stays clean and steel-colored inside where the gas engine's is black. The next generation of induction systems has also made the diesel ...

It’s important to carefully check the trims of the car you’re interested in to make sure that you’re getting the features you want, and aren’t overpaying for those you don’t want.

This creates condensation within the exhaust system, which then turns into steam as temperatures rise within the engine. Once a car has warmed up, this steam soon evaporates. However, problems ...

Make thousands of dollars by renting your 2008 Sierra by Forest River RV in Boydton. Suggested List — The value listed reflects the approximate price of the unit when it is brand new. The prices ...

Debuting in the same heavy-duty Chevy Silverado and GMC Sierra 2500 HD and 3500 HD ... away from all the dirty recirculated exhaust from the EGR system and prolong cleaning intervals.

Learn More. First Take Like the Chevrolet Silverado, the heavy-duty version of the Sierra has a stiff ride and lacks the selectable 4WD system and stability control. The 2500 and 3500 HD models ...

Due to a software malfunction, the anti-lock brake system (ABS) control module may disable the electronic stability control system. As such, these vehicles fail to comply with the requirements of ...

includes Z71 chrome side front fender emblems, monotube Rancho brand shocks and (K47) air cleaner, (JHD) Hill Descent Control, (NZZ) underbody shield (Includes (UHN) 18" x 8.5" (45.7 cm x 21.6 cm ...

Damage to the natural world isn’t factored into the price of food. But some governments are experimenting with a new way of exposing the larger costs of what we eat. By Lydia DePillisManuela ...

Get an in-depth review of the 2008 Sierra 3500HD from the Autoblog editorial team and help decide if this GMC is right for you.