Flowmaster's Scavenger Series Elite long tube headers are designed to replace the restrictive factory cast iron manifolds. These high quality headers are manufactured from stainless steel and are ceramic coated for maximum durability. They feature 2 in. primary tubes, 3/8 in. thick flanges and incorporate Flowmaster's popular 3-1/2 in. ball flange collector connections ensuring a leak free installation. Scavenger Series long tube headers deliver maximum performance and are suited to the enthusiast who wants the best. Like all Flowmaster products the benefits include improved throttle response, power and engine efficiency. Designed for an easy fit these headers include gaskets and necessary hardware for easy installation. Will not fit with Saginaw close ratio 825 steering box. Big Block frame stands and motor mounts must be used to ensure proper engine location and header fit. Requires removal or modification of locking steering columns if equipped. Does not fit with Powerglide transmission. This product is legal only for off highway use except in California or states that have adopted California's emission standards, racing use or for use on pre emission controlled motor vehicles and motor vehicle engines and pre 1966 domestic vehicles certified to California standards and pre 1968 domestic vehicles certified to federal standards and all pre 1968 foreign vehicles, per the application guide.
Specifications:
| Description_ASC |
Fits 1968 to 1974 Chevelle and El Camino with a 396 to 502 cubic inch displacement big block V8 engine, long tube headers |
| Description_DEF |
Exhaust Header |
| Description_DES |
Flowmaster Scavenger Series Elite Header |
| Description_FAB |
Stainless Steel Construction |
| Description_FAB |
Ball And Socket Collector Connections |
| Description_FAB |
Gasketless Leak Free Ball Flange Connections |
| Description_FAB |
Dyno Tuned for Maximum Performance |
| Description_FAB |
High Temperature Ceramic Coated |
| Description_FAB |
Deliver Excellent Performance Gains |
| Description_FAB |
Engineered For Easy At Home Installation |
| Description_FAB |
1 Year Warranty |
| Description_FAB |
Premium Flowmaster Quality |
| Description_INV |
68-74 CHEVELLE/EL CAMINO BB HDR 2" |
| Description_EXT |
Fits 1968-1974 Chevelle/El Camino, 396-502 BB Engine, V8, Long Tube Headers, 2" Primary, 3-1/2" Ball-Flange Collector, 16 Gauge Tubing, 3/8" Flange, Silver Ceramic Coating, 409S Stainless Steel |
| Description_SHO |
Exhaust Header |
| Description_MKT |
Flowmaster's Scavenger Series Elite long tube headers are designed to replace the restrictive factory cast iron manifolds. These high quality headers are manufactured from stainless steel and are ceramic coated for maximum durability. They feature 2 in. primary tubes, 3/8 in. thick flanges and incorporate Flowmaster's popular 3-1/2 in. ball flange collector connections ensuring a leak free installation. Scavenger Series long tube headers deliver maximum performance and are suited to the enthusiast who wants the best. Like all Flowmaster products the benefits include improved throttle response, power and engine efficiency. Designed for an easy fit these headers include gaskets and necessary hardware for easy installation. Will not fit with Saginaw close ratio 825 steering box. Big Block frame stands and motor mounts must be used to ensure proper engine location and header fit. Requires removal or modification of locking steering columns if equipped. Does not fit with Powerglide transmission. This product is legal only for off highway use except in California or states that have adopted California's emission standards, racing use or for use on pre emission controlled motor vehicles and motor vehicle engines and pre 1966 domestic vehicles certified to California standards and pre 1968 domestic vehicles certified to federal standards and all pre 1968 foreign vehicles, per the application guide. |
| Flange Thickness |
0.375 in. |
| California Proposition 65 Chemical Name 1 |
Nickel (metallic) |
| Bolts Or Studs Included |
Yes |
| Emission Code |
3 |
| Header Finish |
Silver Ceramic |
| Primary Tube Dia. |
2 inch |
| Automotive Item Grade |
High Performance Part |
| CARB (California) Compliant |
No |
| Inlet Port Shape |
Square Case |
| Finish |
Silver Ceramic |
| Outlet Diameter |
3.500 in. |
| Tube Direction |
Up Swept |
| Title |
Flowmaster 814114 Header 409S - 4-1 One piece - 3.50 in. Ball and Socket Flange Outlet - Pair |
| California Proposition 65 Chemical Name |
Chromium (hexavalent compounds), Nickel (Metallic) |
| Engine |
GM Big Block |
| Header Style |
Long Tube |
| Tube Lengths |
Unequal Length |
| Collector Tube Size |
3.500 in. |
| Attachment Method |
Ball and Socket Flange |
| Application |
Automotive |
| Coated Finish |
Ceramic Coated Stainless Steel |
| Head Style |
4-1 One-Piece |
| Engine Make/Size |
Chevy Big Block (396-502) |
| Tube Gauge |
16 |
| Primary Tube Diameter |
2.000 in. |
| Color |
Silver Ceramic |
| Tube Length |
Unequal Length |
| Header Series |
Scavenger Series Elite |
| WARNING CA Proposition 65 Message |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| California Proposition 65 Chemical Name 2 |
Chromium (hexavalent compounds) |
| WARNING CA Proposition 65 |
Yes |
| Port Shape |
Same As Port/Can Be Matched |
| Material |
Stainless Steel |
| Tube Diameter |
2.000 in. |
| Collector Included |
Yes |
| Reducers Included |
Yes |
| Bolt size |
3/8-16 x 1 |
| Bolts/Studs Included |
Yes |
| Brand |
Flowmaster |
| California Proposition 65 Required |
Yes |
| Collector Diameter |
3.50 inch |
| Color/Finish |
Silver Ceramic |
| Header Flange Thickness (in) |
3/8 inch |
| Outlet Diameter (in) |
3.5 |
| Product Type |
Headers |
| Warning |
California Proposition 65 |
| Length |
16.0000 |
| Width |
16.0000 |
| Height |
45.0000 |
| Weight |
36.0000 |
