aFe Twisted Steel Header SS-409 (48-46101) delivers power gains, improved exhaust flow, and bolt-on fitment for 2005–2009 Nissan Frontier/Xterra V6 4.0L. This performance header features advanced pulse control technology and precisely engineered tube lengths for optimal exhaust velocity across the power band. Built from 14-gauge 409 stainless steel with a 1/2-inch-thick head flange, it offers durability and strength under demanding conditions. Designed for a true bolt-on installation, it requires no modifications and is proudly manufactured in Corona, California.
Key Features :
Direct bolt-on fitment for 2005–2009 Nissan Frontier and Xterra V6 4.0L
Constructed from corrosion-resistant 14-gauge SS-409 stainless steel
Optimized tube lengths and mitered collectors for maximum flow
1/2-inch-thick head flange ensures leak-free seal and rigidity
Enhances horsepower, torque, and throttle response
Designed using pulse control technology for balanced performance
Made in the USA and requires no modifications to install
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