Exhaust› Headers, Manifolds and Components

Hedman Hedders

HEDMAN GM MOTORHOME HEADERS-SILVER

$784.43

SKU: H00V 66121

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 66121

Features:

  • Handcrafted, Mild Steel Construction.
  • Long Tube Header Design Provides Excellent Top-End Horsepower and Torque.
  • Ball & Socket Collector Design requires No Gasket, and Allows For More Exhaust System Misalignment than Old School, Gasket-Style Header Collectors
  • Includes All The Necessary Mounting Hardware, Gaskets and Reducers (exhaust adapters)
  • Limted Lifetime Warranty On Construction, Five Year Warranty on Factory-Applied Header Coating!
  • Proud To Say, Made In The USA, Since 1954!

Standard-Duty Silver Coated, 50-State, Long-Tube Headers For 1968-95 CHEVY/GMC Class A Motorhomes | 396-454 BB Chevy with A.I.R. (Centered Engine Chassis Only) | 1-3/4 in. Tubes | 3 in. Ball/Socket Collector

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

MIA's Description

Standard Duty HTC Coated Full-Length Headers for 1975-95 Chevy P30 454 & Class A Motorhome. Features an A.I.R. system, square port header, and is designed for use with Trans-Dapt throttle body spacer. Includes parts necessary to retain 50-state emission devices, but modification to stock exhaust is required to retain the catalytic converter. CARB EO#D167-27.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandHedman Hedders
Part NumberH00V 66121

Videos

Exhaust Header Selection from Hedman Hedders

Exhaust Header Selection from Hedman Hedders
In the Garage™ with Parts Pro™: Hedman Hedders HTC Coated Shorty Hedders

In the Garage™ with Parts Pro™: Hedman Hedders HTC Coated Shorty Hedders
Hedman header back exhaust kit 88 to 95 Chevy truck

Hedman header back exhaust kit 88 to 95 Chevy truck
Classic Truck Mag's Ryan Manson Talks Chevy C10 Headers With Hedman Hedders

Classic Truck Mag's Ryan Manson Talks Chevy C10 Headers With Hedman Hedders
93' chevy Class A motorhome || Performance header install (RV living vlog)

93' chevy Class A motorhome || Performance header install (RV living vlog)

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy