Hooker BlackHeart 11-21 Jeep Grand Cherokee 5.7 Headers 70305304-RHKR

Hooker BlackHeart 11-21 Jeep Grand Cherokee 5.7 Headers - 70305304-RHKR. Not legal for sale or use in California. Hooker continues to push the boundaries of performance with the BlackHeart line of exhaust products. We are proud to offer this shorty header for 1991-99 Jeep Wrangler YJ/TJ vehicles.

This header is engineered to offer both premium fitment and maximum performance from your 4.0L L6 engine. Max dyno gains of +4 HP & +7 LB. 1-1/2 diameter tuned length primary tubes feature smooth transition, 6-2-1 design for increased exhaust flow, improved throttle response and a broad torque curve.

Utilizes true mitered merge collectors designed to maximize exhaust velocity and scavenging for optimum performance. Constructed from heavy duty 14-gauge, stainless steel for increased strength and durability. Uses 1/2 thick head flange for durability and an optimum sealing surface. Retains factory O2 sensors and catalytic converters.

100% bolt-on with NO cutting necessary for a hassle-free installation. Quality welds for strength, longevity and good looks. Performance-Curve is a retail / wholesale warehouse distribution center with over 50 years of experience! We feature eight warehouses across the East Coast.

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