In the high-performance aftermarket, after-cat-system jungle, choosing the right package for your late-model Trans Am or Firebird Formula is oftentimes a challenging and risk-filled adventure. So many ...

Upgrading the exhaust is one of the first steps many take when they want to boost their car's performance. One of most obvious choices in this regard is to install a header in place of the stock ...

Factory exhaust systems are engineered around emissions compliance and cost — not engine performance — which is why aftermarket upgrades can unlock real airflow improvements. Dyno-tested horsepower ...

After purchasing a used (or new) high-performance Mopar, one of the first modifications many enthusiasts contemplate is installing a free-breathing exhaust system. Rather than patching up the old, ...