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Unlike restrictive factory exhaust manifolds
these downpipes optimize exhaust flow from the turbochargers and taper to 2
supporting Stage 2 tunes and beyond
2008-2009 BMW Z4
Specialized designs to ensure a perfect fit and correct operation
2008-2013 Infiniti G37 3.7L Engine Stainless Steel Exhaust Header Manifold Generic 2024-3-10 Unlike restrictive factory exhaust manifoldsProduct Overview: 1. Exhaust headers are a key upgrade for boosting engine performance by improving airflow. Unlike restrictive factory exhaust manifolds, performance headers give each cylinder its own dedicated exhaust path, reducing back pressure and improving exhaust flow. 2. By minimizing exhaust interference between cylinders, headers help increase horsepower and torque. When paired with a high performance cold air intake and a cat back exhaust
US$ 17.41
US$ 21.15
US$ 37.71
