| Price: $776.00 - $800.00 |
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Headers for 1987-1994 Class A Motorhomes. Part numbers THY-306Y2-C or THY-306Y2-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: 1990-2000 Class A Motorhomes - P30 Chassic Only with 4L80E (w/ overdrive) Transmission
- Engine: Big Block Chevy 366-454 cid
- Tube Size: 1-3/4-inch Primary and 2-1/2-inch Collector
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