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Price: $768.00 - $792.00

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Headers for 1987-1994 Class A Motorhomes. Part numbers THY-306Y1-C or THY-306Y1-S-C. These are set up for 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!

• Fits: 1987-1994 Class A Motorhomes - P30 Chassic Only with Turbo 400 (no overdrive) Transmission

• Engine: Big Block Chevy 366-454 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, 22, 31

• Free Shipping in the Lower 48!

• GM Emissions Explained

• Click here for Installation Instructions - PDF Format