In Part 1, I regaled you all with the brief history behind the discovery of photochemical smog, and then proceeded to dazzle ...

More power. It’s what almost every owner wants from their car, truck, or SUV, but the question is how do you get it? T ...

Your Cummins's exhaust manifold plays a significant role in ensuring your vehicle is running at its best. Here's what will happen if you drive without one.

With an aftermarket exhaust manifold feeding an HKS exhaust, a Comptech centrifugal supercharger, and an 80-shot of NOS, ... a ported and polished cylinder head, custom manifolds, ...

For instance, replacing your catalytic converter can cost over $4,000, while replacing the exhaust manifold averages between $1,100 and $1,200, according to RepairPal.

This unusual 2JZ-GTE exhaust manifold is designed around a top-level racing trick for killing turbo lag: Fresh air anti-lag.

An exhaust manifold is a set of iron pipes that lead from your car's cylinder bank to the initial pipe that leads to the catalytic converter. This part connects your engine to the rest of the ...

Or, indeed, how the hell it would route the exhaust system connected to the crazy top-mounted 8-to-1 exhaust manifold, which Yamaha claims creates a very distinctive high-frequency sound.

A cracked exhaust manifold is a serious problem for high-mileage internal combustion engines. Learn how to identify and solve this issue.

Porting and polishing can be done on motorcycle engines as well. Porting increases the amount of air that can be inducted into the combustion chamber due to larger ports. The more air, the more power ...