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Price: $626.00 - $637.00

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Headers for 1996-2000 Trucks. Part numbers THY-397Y-C and THY-397Y-DA-C. These are set up for trucks equipped with a 454 Vortec Engine and single exhaust (y-pipe included) and are CARB legal.

These Doug Thorley Tri-Y headers are constructed of 14-gauge tubing with 3/8-inch flanges to give you the best quality you can get in a header! Plus they are ceramic coated to give a lifetime of performance!

This part has been discontinued

• Fits: 1996-2000 Truck 4WD 454 Vortec

• Engine: Big Block Chevy Vortec 454 cid

• Tri-Y Design

• Tube Size: 1-3/4-inch Primary and 2-1/2-inch Collector

• Lifetime Warranty on Headers as well as Ceramic Coating

• Made in USA

• Notes 9, 17, 18, 22, 31

• Free Shipping in the Lower 48!

• GM Emissions Explained

• Click here for Installation Instructions - PDF Format