Exhaust Manifold

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Exhaust Manifold

Part Number : 101001

Original Equipment (OE) Part Interchange


Features & Benefits

ATP Graywerks Exhaust Manifolds are a high quality OE replacement alternative. Each manifold is developed off of the original parts specifications, to ensure it will install and perform like intended. This design is manufactured with high grade metals best suited for that application, from grey-iron to more advanced ductile and stainless steel applications. Each unit is machine finished to guarantee flanges are perfectly flat, mount evenly and do not leak. Commonly needed upper and lower gaskets, along with lower flange hardware are included (along with heatshields and plugs if needed for the particular application.) These manifolds are backed by ATP limited lifetime warranty.
  • Manufactured to OE design ensuring manifold will line up and flow like the original unit
  • High grade metallurgy resists fatigue cracking and breakage
  • Precision machine finished providing smooth installation and leak free performance
  • Upper and lower flange gaskets along with lower flange hardware are included (Heat shields and plugs are included where needed)
  • Industry Leading Limited Lifetime Warranty


For more information about the warranty View Details



Part Number (in inches)
Exhaust Manifold
Product Type
Exhaust Manifold
Outer Diameter
Inner Diameter
Weight (Oz.)
Vacuum Actuator Included?
Vacuum Actuator Width
Hardware Description
(1) manifold and flange gasket, (4) bolts, (4) lock washers
Additional Details
Includes (1) manifold and flange gasket, (4) bolts, (4) lock washers
Location (side)
Left and Right
Product Note

Fitment Notes

Select a vehicle to view fitment notes
1968 Dodge M300 All
1969 Dodge M300 All
1970 Dodge M300 All
1971 Dodge M300 All
1972 Dodge M300 All
1973 Dodge M300 All
1974 Dodge M300 V8 5.2L 5211cc 318cid
1974 Dodge M300 V8 7.2L 7211cc 440cid
1974 Dodge M350 V8 5.2L 5211cc 318cid
1974 Dodge M350 V8 7.2L 7211cc 440cid
1968 Dodge M375 All
1969 Dodge M375 All
1970 Dodge M375 All
1971 Dodge M375 All
1972 Dodge M375 All
1973 Dodge M375 All
1974 Dodge M400 All
1971 Dodge RM300 All
1973 Dodge RM300 All
1974 Dodge RM300 All
1971 Dodge RM350 All
1974 Dodge RM350 All
1973 Dodge RM400 All
1974 Dodge RM400 All
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