Flowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 5/16" flanges for a leak-free seal. All mounting hardware and gaskets are included for a simple installation. This header is coated in a high heat resistant black paint for a stealthy appearance.

Fuel Economy From The Engine
Leak Test For Max Performance
Mandrel-Formed Power Plenum
Include All Mounting Hardware
Constructed of .049 cold roll flash mild steel tubing

Application

1963 Chevy Corvette
1964 Chevy Corvette
1965 Chevy Corvette
1966 Chevy Corvette
1967 Chevy Corvette
1968 Chevy Corvette
1969 Chevy Corvette
1970 Chevy Corvette
1971 Chevy Corvette
1972 Chevy Corvette
1974 Chevy Corvette
1975 Chevy Corvette
1976 Chevy Corvette
1977 Chevy Corvette
1978 Chevy Corvette
1979 Chevy Corvette
1980 Chevy Corvette
1981 Chevy Corvette
1982 Chevy Corvette

Charts

Installation Instructions (PDF)

Rebates

Holley October Promo 10% Off Select Parts Sale

Holley's October Promo 10% Off Select Parts Sale, running from September 28, 2026, through November 1, 2026. For a limited time, customers can save up to 10% off on select Holley parts, making it the perfect opportunity to upgrade your ride with premium Holley branded parts including Holley, Brawler, Quick Fuel, Leg Wheels, Rev Wheels, Rocket Racing, Flowtech, Edge, Racequip, Apr and Dinan. Purchases must be made between September 28, 2026, through November 1, 2026. This limited-time offer applies to qualifying Holley branded parts purchased during the promotional period. Following the promotion, these parts will revert back to standard pricing.

Guides & Documents

Choosing the Right Headers

Headers Installation Instructions (42511106FLT)

CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CARB warning

Flowtech Exhaust 11106FLT Specifications

KEY SPECS
MFG. Part #	11106FLT
Brand	Flowtech Exhaust
Header Tube Type	Long Tube
Exhaust Port Shape	Round
Flange Style	Standard
Primary Tube Diameter	1-5/8"
Material Type	Steel
Color	Black
Weld-Up	No
Collector Diameter	3 Inch
Finish	Painted
Hardware Included	Yes
Gasket(s) Included	Yes
Collector Reducers Included	Yes
Collector Reducer Exit Diameter	2.5"
Collector Attachment Type	3-bolt flange

GENERAL
Sold in Quantity	Pair
GTIN Code	787480111067
Emission Code	3

Ratings & Reviews

Be the first to write a review.

Questions & Answers

2 Questions • 2 Answers

Sort Questions

Do these work with angle plug heads

by Operator

• 3 years ago

1 answer

View Answer

Hello, I would like to know the height (from bolt centerline to collector bottom) of this item "Flowtech 11106FLT Long Tube Header" to calculate the ground clearance in my car. Thanks for your response. I apologize for my english.

by Paul

• 4 years ago

1 answer

View Answer

2 of 2 questions shown

Fitment

1959 Chevy 3A

2-Piece Rear Main Chevy 283

1959 Chevy 3B

2-Piece Rear Main Chevy 283

1959 Chevy 3C

2-Piece Rear Main Chevy 283

1959 Chevy 3D

2-Piece Rear Main Chevy 283

1959 Chevy 3E

2-Piece Rear Main Chevy 283

1959 Chevy 3F

2-Piece Rear Main Chevy 283

1959 Chevy 3G

2-Piece Rear Main Chevy 283

1957 Chevy Bel Air

2-Piece Rear Main Chevy 265
2-Piece Rear Main Chevy 283

1958-1967 Chevy Bel Air

2-Piece Rear Main Chevy 283

1968 Chevy Bel Air

Gen 1 L14 Small Block Chevy

1970-1975 Chevy Bel Air

2-Piece Rear Main Chevy 400

1958-1967 Chevy Biscayne

2-Piece Rear Main Chevy 283

1968 Chevy Biscayne

Gen 1 L14 Small Block Chevy

1970-1972 Chevy Biscayne

2-Piece Rear Main Chevy 400

1969-1973 Chevy Blazer

Gen 1 L14 Small Block Chevy

1958-1961 Chevy Brookwood

2-Piece Rear Main Chevy 283

1969 Chevy Brookwood

Gen 1 L14 Small Block Chevy

1970-1972 Chevy Brookwood

2-Piece Rear Main Chevy 400
Gen 1 L14 Small Block Chevy

1960-1967 Chevy C10

2-Piece Rear Main Chevy 283

1968-1973 Chevy C10

Gen 1 L14 Small Block Chevy

1976-1980 Chevy C10

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1981-1982 Chevy C10

Gen 1 LG3 Small Block Chevy

1983 Chevy C10

2-Piece Rear Main Chevy 350
Gen 1 LG3 Small Block Chevy

1984 Chevy C10

Gen 1 LG3 Small Block Chevy

1985 Chevy C10

2-Piece Rear Main Chevy 350
Gen 1 LG3 Small Block Chevy

1986 Chevy C10

Gen 1 LG3 Small Block Chevy

1960-1967 Chevy C10 Suburban

2-Piece Rear Main Chevy 283

1968-1973 Chevy C10 Suburban

Gen 1 L14 Small Block Chevy

1976-1982 Chevy C10 Suburban

Gen 1 LG3 Small Block Chevy

1983 Chevy C10 Suburban

2-Piece Rear Main Chevy 350

1985 Chevy C10 Suburban

2-Piece Rear Main Chevy 350

1960-1967 Chevy C20

2-Piece Rear Main Chevy 283

1968-1973 Chevy C20

Gen 1 L14 Small Block Chevy

1976 Chevy C20

2-Piece Rear Main Chevy 400

1977-1980 Chevy C20

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1981-1982 Chevy C20

Gen 1 LG3 Small Block Chevy

1960-1967 Chevy C20 Suburban

2-Piece Rear Main Chevy 283

1968-1973 Chevy C20 Suburban

Gen 1 L14 Small Block Chevy

1976-1978 Chevy C20 Suburban

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1979-1980 Chevy C20 Suburban

2-Piece Rear Main Chevy 400

1960-1967 Chevy C30

2-Piece Rear Main Chevy 283

1968-1973 Chevy C30

Gen 1 L14 Small Block Chevy

1976-1977 Chevy C30

2-Piece Rear Main Chevy 400

1978-1979 Chevy C30

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1967-1968 Chevy Camaro

Gen 1 DZ Small Block Chevy

1969 Chevy Camaro

Gen 1 DZ Small Block Chevy
Gen 1 L14 Small Block Chevy

1970-1973 Chevy Camaro

Gen 1 L14 Small Block Chevy

1976-1979 Chevy Camaro

Gen 1 LG3 Small Block Chevy

1980-1981 Chevy Camaro

2-Piece Rear Main Chevy 267
Gen 1 LG3 Small Block Chevy

1982 Chevy Camaro

Gen 1 LG3 Small Block Chevy

1966-1967 Chevy Caprice

2-Piece Rear Main Chevy 283

1968-1969 Chevy Caprice

Gen 1 L14 Small Block Chevy

1970-1973 Chevy Caprice

2-Piece Rear Main Chevy 400
Gen 1 L14 Small Block Chevy

1974-1976 Chevy Caprice

2-Piece Rear Main Chevy 400

1977 Chevy Caprice

Gen 1 LG3 Small Block Chevy

1980-1982 Chevy Caprice

2-Piece Rear Main Chevy 267

1983 Chevy Caprice

2-Piece Rear Main Chevy 350

1985 Chevy Caprice

2-Piece Rear Main Chevy 350

1964-1967 Chevy Chevelle

2-Piece Rear Main Chevy 283

1968-1969 Chevy Chevelle

Gen 1 L14 Small Block Chevy

1970-1973 Chevy Chevelle

2-Piece Rear Main Chevy 400
Gen 1 L14 Small Block Chevy

1963-1967 Chevy Chevy II

2-Piece Rear Main Chevy 283

1968 Chevy Chevy II

Gen 1 L14 Small Block Chevy

1957-1961 Chevy Corvette

2-Piece Rear Main Chevy 283

1980 Chevy Corvette

Gen 1 LG3 Small Block Chevy

1985 Chevy Corvette

2-Piece Rear Main Chevy 350

1957 Chevy Del Ray

2-Piece Rear Main Chevy 265
2-Piece Rear Main Chevy 283

1958 Chevy Del Ray

2-Piece Rear Main Chevy 283

1959-1960 Chevy El Camino

2-Piece Rear Main Chevy 283

1964-1967 Chevy El Camino

2-Piece Rear Main Chevy 283

1968-1969 Chevy El Camino

Gen 1 L14 Small Block Chevy

1970-1973 Chevy El Camino

2-Piece Rear Main Chevy 400
Gen 1 L14 Small Block Chevy

1974-1975 Chevy El Camino

2-Piece Rear Main Chevy 400

1976 Chevy El Camino

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1977 Chevy El Camino

Gen 1 LG3 Small Block Chevy

1978 Chevy El Camino

2-Piece Rear Main Chevy 350
Gen 1 LG3 Small Block Chevy

1979 Chevy El Camino

2-Piece Rear Main Chevy 267
2-Piece Rear Main Chevy 350
Gen 1 LG3 Small Block Chevy

1980-1982 Chevy El Camino

2-Piece Rear Main Chevy 267
Gen 1 LG3 Small Block Chevy

1983 Chevy El Camino

2-Piece Rear Main Chevy 350

1969 Chevy Estate

Gen 1 L14 Small Block Chevy

1970 Chevy Estate

2-Piece Rear Main Chevy 400
Gen 1 L14 Small Block Chevy

1976 Chevy G10

2-Piece Rear Main Chevy 400

1977-1982 Chevy G10

Gen 1 LG3 Small Block Chevy

1968-1969 Chevy G10 Van

Gen 1 L14 Small Block Chevy

1970 Chevy G10 Van

2-Piece Rear Main Chevy 350
Gen 1 L14 Small Block Chevy

1971-1973 Chevy G10 Van

Gen 1 L14 Small Block Chevy

1975-1976 Chevy G20

2-Piece Rear Main Chevy 400

1977-1980 Chevy G20

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1981-1982 Chevy G20

Gen 1 LG3 Small Block Chevy

1967 Chevy G20 Van

2-Piece Rear Main Chevy 283

1968-1973 Chevy G20 Van

Gen 1 L14 Small Block Chevy

1975-1977 Chevy G30

2-Piece Rear Main Chevy 400

1978-1979 Chevy G30

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1980 Chevy G30

2-Piece Rear Main Chevy 400

1982 Chevy G30

Gen 1 LG3 Small Block Chevy

1970 Chevy G30 Van

2-Piece Rear Main Chevy 350

1958-1967 Chevy Impala

2-Piece Rear Main Chevy 283

1968-1969 Chevy Impala

Gen 1 L14 Small Block Chevy

1970-1973 Chevy Impala

2-Piece Rear Main Chevy 400
Gen 1 L14 Small Block Chevy

1974-1976 Chevy Impala

2-Piece Rear Main Chevy 400

1977-1979 Chevy Impala

Gen 1 LG3 Small Block Chevy

1980-1982 Chevy Impala

2-Piece Rear Main Chevy 267
Gen 1 LG3 Small Block Chevy

1983 Chevy Impala

2-Piece Rear Main Chevy 350

1985 Chevy Impala

2-Piece Rear Main Chevy 350

1960-1967 Chevy K10

2-Piece Rear Main Chevy 283

1968-1973 Chevy K10

Gen 1 L14 Small Block Chevy

1975-1976 Chevy K10

2-Piece Rear Main Chevy 400

1977-1979 Chevy K10

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1980 Chevy K10

2-Piece Rear Main Chevy 400

1981-1982 Chevy K10

Gen 1 LG3 Small Block Chevy

1960-1967 Chevy K10 Suburban

2-Piece Rear Main Chevy 283

1968-1973 Chevy K10 Suburban

Gen 1 L14 Small Block Chevy

1975 Chevy K10 Suburban

2-Piece Rear Main Chevy 400

1976-1979 Chevy K10 Suburban

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1980-1982 Chevy K10 Suburban

Gen 1 LG3 Small Block Chevy

1960-1967 Chevy K20

2-Piece Rear Main Chevy 283

1968-1973 Chevy K20

Gen 1 L14 Small Block Chevy

1975-1976 Chevy K20

2-Piece Rear Main Chevy 400

1977-1978 Chevy K20

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1979 Chevy K20

2-Piece Rear Main Chevy 400

1980 Chevy K20

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1967 Chevy K20 Panel

2-Piece Rear Main Chevy 283

1960-1967 Chevy K20 Suburban

2-Piece Rear Main Chevy 283

1968-1973 Chevy K20 Suburban

Gen 1 L14 Small Block Chevy

1975-1976 Chevy K20 Suburban

2-Piece Rear Main Chevy 400

1977-1978 Chevy K20 Suburban

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1979-1980 Chevy K20 Suburban

2-Piece Rear Main Chevy 400

1968-1973 Chevy K30

Gen 1 L14 Small Block Chevy

1977-1980 Chevy K30

2-Piece Rear Main Chevy 400

1970-1974 Chevy K5 Blazer

2-Piece Rear Main Chevy 350

1975-1976 Chevy K5 Blazer

2-Piece Rear Main Chevy 400

1977-1979 Chevy K5 Blazer

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1980-1981 Chevy K5 Blazer

Gen 1 LG3 Small Block Chevy

1983 Chevy K5 Blazer

2-Piece Rear Main Chevy 350

1985 Chevy K5 Blazer

2-Piece Rear Main Chevy 350

1959-1961 Chevy Kingswood

2-Piece Rear Main Chevy 283

1969 Chevy Kingswood

Gen 1 L14 Small Block Chevy

1970-1972 Chevy Kingswood

2-Piece Rear Main Chevy 400
Gen 1 L14 Small Block Chevy

1973 Chevy Laguna

2-Piece Rear Main Chevy 400
Gen 1 L14 Small Block Chevy

1974-1975 Chevy Laguna

2-Piece Rear Main Chevy 400

1976 Chevy Laguna

2-Piece Rear Main Chevy 350
2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1964-1967 Chevy Malibu

2-Piece Rear Main Chevy 283

1973 Chevy Malibu

2-Piece Rear Main Chevy 400
Gen 1 L14 Small Block Chevy

1974-1975 Chevy Malibu

2-Piece Rear Main Chevy 400

1976 Chevy Malibu

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1977-1978 Chevy Malibu

Gen 1 LG3 Small Block Chevy

1979-1982 Chevy Malibu

2-Piece Rear Main Chevy 267
Gen 1 LG3 Small Block Chevy

1970-1971 Chevy Monte Carlo

2-Piece Rear Main Chevy 350
2-Piece Rear Main Chevy 400

1972 Chevy Monte Carlo

2-Piece Rear Main Chevy 400

1973-1975 Chevy Monte Carlo

2-Piece Rear Main Chevy 350
2-Piece Rear Main Chevy 400

1976 Chevy Monte Carlo

2-Piece Rear Main Chevy 400
Gen 1 LG3 Small Block Chevy

1977 Chevy Monte Carlo

Gen 1 LG3 Small Block Chevy

1979-1981 Chevy Monte Carlo

2-Piece Rear Main Chevy 267

1982 Chevy Monte Carlo

2-Piece Rear Main Chevy 267
2-Piece Rear Main Chevy 350

1983 Chevy Monte Carlo

2-Piece Rear Main Chevy 350

1976-1979 Chevy Monza

Gen 1 LG3 Small Block Chevy

1957 Chevy Nomad

2-Piece Rear Main Chevy 265
2-Piece Rear Main Chevy 283

1958-1961 Chevy Nomad

2-Piece Rear Main Chevy 283

1969-1973 Chevy Nova

Gen 1 L14 Small Block Chevy

1975 Chevy Nova

2-Piece Rear Main Chevy 350

1976-1979 Chevy Nova

Gen 1 LG3 Small Block Chevy

1957 Chevy One-Fifty Series

2-Piece Rear Main Chevy 265
2-Piece Rear Main Chevy 283

1976 Chevy P30

2-Piece Rear Main Chevy 400

1980-1983 Chevy P30

2-Piece Rear Main Chevy 350

1985 Chevy P30

2-Piece Rear Main Chevy 350

1961-1962 Chevy P30 Series

2-Piece Rear Main Chevy 283

1968-1969 Chevy P30 Van

Gen 1 L14 Small Block Chevy

1970 Chevy P30 Van

2-Piece Rear Main Chevy 350

1973 Chevy P30 Van

Gen 1 L14 Small Block Chevy

1959-1961 Chevy Parkwood

2-Piece Rear Main Chevy 283

1957 Chevy Sedan Delivery

2-Piece Rear Main Chevy 265
2-Piece Rear Main Chevy 283

1958 Chevy Sedan Delivery

2-Piece Rear Main Chevy 283

1947-1959 Chevy Suburban

2-Piece Rear Main Chevy 265

1960-1967 Chevy Suburban

2-Piece Rear Main Chevy 283

1969 Chevy Townsman

Gen 1 L14 Small Block Chevy

1970-1972 Chevy Townsman

2-Piece Rear Main Chevy 400
Gen 1 L14 Small Block Chevy

1955 Chevy Truck

2-Piece Rear Main Chevy 265

1957 Chevy Truck

2-Piece Rear Main Chevy 265
2-Piece Rear Main Chevy 283

1958 Chevy Truck

2-Piece Rear Main Chevy 283

1960 Chevy Truck

2-Piece Rear Main Chevy 283

1955 Chevy Two-Ten Series

2-Piece Rear Main Chevy 265

1957 Chevy Two-Ten Series

2-Piece Rear Main Chevy 265
2-Piece Rear Main Chevy 283

1958 Chevy Yeoman

2-Piece Rear Main Chevy 283

1966 GMC 1000

2-Piece Rear Main Chevy 283

1960 GMC 1000 Series

2-Piece Rear Main Chevy 283

1962-1965 GMC 1000 Series

2-Piece Rear Main Chevy 283

1960-1965 GMC 1500 Series

2-Piece Rear Main Chevy 283

1966 GMC 2500

2-Piece Rear Main Chevy 283

1960-1965 GMC 2500 Series

2-Piece Rear Main Chevy 283

1960-1966 GMC 3000

2-Piece Rear Main Chevy 283

1960-1966 GMC 3500

2-Piece Rear Main Chevy 283

1967 GMC C15/C1500 Suburban

2-Piece Rear Main Chevy 350

1980-1984 GMC C1500

2-Piece Rear Main Chevy 350

1980-1986 GMC C1500 Suburban

2-Piece Rear Main Chevy 350

1967 GMC C25/C2500 Pickup

2-Piece Rear Main Chevy 283

1968-1972 GMC C25/C2500 Pickup

Gen 1 L14 Small Block Chevy

1967 GMC C25/C2500 Suburban

2-Piece Rear Main Chevy 283

1968-1972 GMC C25/C2500 Suburban

Gen 1 L14 Small Block Chevy

1967 GMC C35/C3500 Pickup

2-Piece Rear Main Chevy 283

1968-1972 GMC C35/C3500 Pickup

Gen 1 L14 Small Block Chevy

1973-1974 GMC C35/C3500 Pickup

2-Piece Rear Main Chevy 400

1978-1987 GMC Caballero

2-Piece Rear Main Chevy 350

1975-1978 GMC G15

2-Piece Rear Main Chevy 350

1967-1974 GMC G15/G1500 Van

2-Piece Rear Main Chevy 350

1979-1986 GMC G1500

2-Piece Rear Main Chevy 350

1975-1978 GMC G25

2-Piece Rear Main Chevy 350

1967-1974 GMC G25/G2500 Van

2-Piece Rear Main Chevy 350

1979-1986 GMC G2500

2-Piece Rear Main Chevy 350

1975-1978 GMC G35

2-Piece Rear Main Chevy 350

1967 GMC G35/G3500 Van

2-Piece Rear Main Chevy 350

1970-1974 GMC G35/G3500 Van

2-Piece Rear Main Chevy 350

1979-1986 GMC G3500

2-Piece Rear Main Chevy 350

1974-1977 GMC Jimmy

2-Piece Rear Main Chevy 350

1983-1984 GMC Jimmy

2-Piece Rear Main Chevy 350

1975-1978 GMC K15

2-Piece Rear Main Chevy 400

1975-1978 GMC K15 Suburban

2-Piece Rear Main Chevy 400

1967-1974 GMC K15/K1500 Pickup

2-Piece Rear Main Chevy 400

1967-1974 GMC K15/K1500 Suburban

2-Piece Rear Main Chevy 400

1979-1984 GMC K1500

2-Piece Rear Main Chevy 350

1979-1980 GMC K1500 Suburban

2-Piece Rear Main Chevy 400

1975-1978 GMC K25

2-Piece Rear Main Chevy 400

1975-1978 GMC K25 Suburban

2-Piece Rear Main Chevy 400

1967 GMC K25/K2500 Pickup

2-Piece Rear Main Chevy 283

1968-1972 GMC K25/K2500 Pickup

Gen 1 L14 Small Block Chevy

1973-1974 GMC K25/K2500 Pickup

2-Piece Rear Main Chevy 400

1967 GMC K25/K2500 Suburban

2-Piece Rear Main Chevy 283

1968-1972 GMC K25/K2500 Suburban

Gen 1 L14 Small Block Chevy

1973-1974 GMC K25/K2500 Suburban

2-Piece Rear Main Chevy 400

1979-1984 GMC K2500

2-Piece Rear Main Chevy 350

1979-1986 GMC K2500 Suburban

2-Piece Rear Main Chevy 400

1967 GMC K35/K3500 Pickup

2-Piece Rear Main Chevy 283

1968-1972 GMC K35/K3500 Pickup

Gen 1 L14 Small Block Chevy

1973-1974 GMC K35/K3500 Pickup

2-Piece Rear Main Chevy 400

1966 GMC P1000

2-Piece Rear Main Chevy 283

1973-1977 GMC Sprint

2-Piece Rear Main Chevy 400

1955-1959 GMC Suburban

2-Piece Rear Main Chevy 265
2-Piece Rear Main Chevy 283

1960-1966 GMC Suburban

2-Piece Rear Main Chevy 283

1967 GMC Suburban

Gen 1 L14 Small Block Chevy

1955 GMC Truck

2-Piece Rear Main Chevy 265

1956-1960 GMC Truck

2-Piece Rear Main Chevy 265
2-Piece Rear Main Chevy 283

1965-1966 Studebaker Commander

2-Piece Rear Main Chevy 283

1965-1966 Studebaker Cruiser

2-Piece Rear Main Chevy 283

1965-1966 Studebaker Daytona

2-Piece Rear Main Chevy 283

1966 Studebaker Wagonaire

2-Piece Rear Main Chevy 283