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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
Product Overview:
Unlike restrictive factory exhaust manifolds
Interchange Part Number:HC3Z-14A664-B
For 2020 Ford F-350 Super Duty King Ranch
Notes: If the O2 sensor is overly sensitive
2007-2013 GMC Sierra 1500 4.8L 5.3L 6.0L 6.2L Stainless Steel Exhaust Manifold Headers 402 Product Overview:Product 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
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