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Description
Flowtech Upright Headers - 11545FLTOverview: Flowtech Headers are the perfect combination of quality and value. These Small Block Chevy Upright headers available in 1 5 8" and 1 3 4" tube diameters are ideal for even big cubic inch Small Block Chevy engines. They feature a merged collector coupled with a collector spear that is welded inside the collector. These components help to improve the flow and performance of the header. Features: CNC Mandrel bent tubes provide consistent tubing
Overview:
Flowtech Headers are the perfect combination of quality and value. These Small Block Chevy Upright headers available in 1-5/8" and 1-3/4" tube diameters are ideal for even big cubic inch Small Block Chevy engines.
They feature a merged collector coupled with a collector spear that is welded inside the collector. These components help to improve the flow and performance of the header.
Features:
- CNC Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder scavenging effect and improves engine breathing
- Heavy duty 16-gauge 409SS tubing for increased strength and durability
- 1-5/8” and 1-3/4” tubing diameters available for increased exhaust flow increasing performance and improved throttle response
- 3” collector for maximum strength and exhaust flow
- Extra thick header flange for a leak-free seal and maximum strength
- Welded-in collector merge spears to control exhaust gas re-entry into primary tubes
Application:
- 1955-1986 Chevrolet Corvette
- 1959-1986 Chevrolet El Camino
- 1959-1986 Pontiac Parisienne
- 1958-1985 Chevrolet Impala
- 1955-1981 Chevrolet Bel Air
- 1955-1981 Pontiac Laurentian
- 1966-1986 Chevrolet Caprice
- 1967-1986 Chevrolet C10 Suburban
- 1967-1986 Chevrolet K10 Suburban
- 1967-1986 Chevrolet K20 Suburban
- 1967-1986 Chevrolet Camaro
- 1967-1986 Chevrolet C20 Suburban
- 1964-1983 Chevrolet Malibu
- 1968-1986 Pontiac Firebird
- 1970-1986 Chevrolet Monte Carlo
- 1970-1986 GMC Jimmy
- 1971-1986 Pontiac Bonneville
- 1960-1974 Chevrolet C20 Pickup
- 1960-1974 Chevrolet C10 Pickup
- 1960-1974 Chevrolet C30 Pickup
- 1960-1974 Chevrolet K10 Pickup
- 1960-1974 Chevrolet K20 Pickup
- 1958-1972 Chevrolet Brookwood
- 1958-1972 Chevrolet Biscayne
- 1968-1981 Pontiac LeMans
- 1959-1972 Chevrolet Kingswood
- 1958-1970 Pontiac Strato-Chief
- 1975-1986 Chevrolet C10
- 1975-1986 Chevrolet K5 Blazer
- 1975-1986 Chevrolet K20
- 1975-1986 Chevrolet C20
- 1975-1986 Chevrolet C30
- 1975-1986 Chevrolet G20
- 1975-1986 Chevrolet G30
- 1975-1986 Pontiac Grand Prix
- 1970-1981 Pontiac Catalina
- 1975-1986 Chevrolet G10
- 1975-1986 Chevrolet K10
- 1969-1979 Chevrolet Nova
- 1977-1986 Buick Regal
- 1964-1973 Chevrolet Chevelle
- 1977-1986 Chevrolet K30
- 1978-1986 Oldsmobile Cutlass
- 1975-1983 Pontiac Grand LeMans
- 1978-1986 Oldsmobile Cutlass Supreme
- 1978-1986 GMC Caballero
- 1967-1974 GMC C15/C1500 Pickup
- 1979-1986 GMC G1500
- 1979-1986 GMC G2500
- 1964-1971 Pontiac Acadian
- 1967-1974 GMC K25/K2500 Suburban
- 1967-1974 GMC C15/C1500 Suburban
- 1967-1974 GMC C25/C2500 Suburban
- 1967-1974 GMC K15/K1500 Suburban
- 1967-1974 GMC K25/K2500 Pickup
- 1979-1986 GMC K1500
- 1979-1986 GMC K1500 Suburban
- 1967-1974 GMC C25/C2500 Pickup
- 1967-1974 GMC K15/K1500 Pickup
- 1967-1974 Chevrolet G20 Van
- 1967-1974 GMC C35/C3500 Pickup
- 1979-1986 GMC K2500
- 1979-1986 GMC K2500 Suburban
- 1967-1974 GMC G15/G1500 Van
- 1967-1974 GMC G25/G2500 Van
- 1979-1986 GMC K3500
- 1979-1986 GMC C2500
- 1979-1986 GMC C2500 Suburban
- 1979-1986 GMC C3500
- 1979-1986 GMC C1500
- 1973-1980 Pontiac Grand Am
- 1979-1986 GMC C1500 Suburban
- 1975-1982 Oldsmobile Delta 88
- 1979-1986 GMC G3500
- 1960-1966 Chevrolet Suburban
- 1968-1974 Chevrolet G10 Van
- 1971-1977 Pontiac Ventura
- 1955-1961 Chevrolet Nomad
- 1960-1966 GMC 3000
- 1960-1966 GMC 3500
- 1968-1974 Chevrolet K30 Pickup
- 1971-1977 GMC Sprint
- 1978-1984 Oldsmobile Cutlass Calais
- 1968-1974 GMC K35/K3500 Pickup
- 1963-1968 Chevrolet Chevy II
- 1955-1960 Chevrolet Truck
- 1955-1960 GMC Truck
- 1964-1969 Pontiac Beaumont
- 1969-1974 Chevrolet Blazer
- 1960-1965 GMC Suburban
- 1977-1981 Buick Century
- 1978-1982 Buick LeSabre
- 1970-1974 GMC G35/G3500 Van
- 1970-1974 Chevrolet G30 Van
- 1955-1959 GMC 250
- 1955-1959 GMC 300
- 1955-1959 GMC 350-8
- 1955-1959 GMC 370
- 1955-1959 GMC F350
- 1955-1959 GMC F370
- 1955-1959 GMC FM340
- 1955-1959 GMC 100
- 1955-1959 GMC 150
- 1955-1959 GMC FM350
- 1955-1959 GMC M300
- 1955-1959 GMC PM150
- 1955-1959 GMC PM250
- 1955-1959 GMC S300
- 1955-1959 GMC S370
- 1975-1979 Chevrolet Monza
- 1969-1972 Chevrolet Townsman
- 1960-1963 GMC 1000 Series
- 1960-1963 GMC 1500 Series
- 1960-1963 GMC 2500 Series
- 1975-1978 GMC G15
- 1975-1978 GMC G25
- 1975-1978 GMC G35
- 1956-1959 GMC PM151
- 1956-1959 GMC PM251
- 1955-1958 Pontiac Pathfinder
- 1955-1958 Chevrolet Sedan Delivery
- 1975-1978 GMC K15
- 1975-1978 GMC K15 Suburban
- 1975-1978 GMC K25
- 1973-1976 Chevrolet Laguna
- 1972-1975 Pontiac Grandville
- 1975-1978 GMC K25 Suburban
- 1980-1983 Oldsmobile Cutlass Cruiser
- 1975-1978 GMC C25
- 1975-1978 GMC C25 Suburban
- 1975-1978 GMC C35
- 1975-1978 GMC C15
- 1975-1978 GMC C15 Suburban
- 1971-1974 Pontiac Grand Safari
- 1955-1957 Chevrolet One-Fifty Series
- 1972-1974 Chevrolet P30 Van
- 1955-1957 Chevrolet Two-Ten Series
- 1977-1979 Buick Skylark
- 1968-1970 Pontiac Tempest
- 1957-1959 GMC PM152
- 1957-1959 GMC PM153
- 1959-1961 Chevrolet Parkwood
- 1977-1979 Pontiac Phoenix
- 1975-1977 Oldsmobile Custom Cruiser
- 1978-1980 Oldsmobile Cutlass Salon
- 1977-1979 Oldsmobile Omega
- 1977-1979 Oldsmobile Starfire
- 1969-1970 Chevrolet Estate
- 1957-1958 Chevrolet Del Ray
- 1978-1979 Pontiac Sunbird
- 1955-1956 GMC M340
- 1977-1978 GMC K35
- 1958 GMC PM252
- 1958 GMC PM253
- 1958 Chevrolet Yeoman
- 1959 Chevrolet 3B
- 1959 Chevrolet 3C
- 1959 Chevrolet 3D
- 1959 Chevrolet 3E
- 1959 Chevrolet 3F
- 1959 Chevrolet 3G
- 1967 Chevrolet K20 Panel
- 1955 GMC 100-22
- 1955 GMC 150-22
- 1955 GMC 250-22
- 1955 GMC 280-22
Specs:
| Application | Small Block Chevy |
|---|---|
| Brand | Flowtech |
| Collector Diameter | 3.00 inch |
| Collector Length | 12 inch |
| Emission Code | 4 |
| Engine | Chevrolet Small Block |
| Header Finish | Natural |
| Header Style | Upright |
| Installed Height | 37.0" |
| Primary Tube Dia. | 1-5/8 inch |
| Product Type | Headers |
| Tube Material | 409 Stainless Steel |
| Warning | California Proposition 65 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Love think brand !
This is the best sunscreen! I have always used thinkbaby for my kids so figured I would try this one for me and I’m obsessed !
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
★★★★★ 1
Does not work
This product does not work very well. Also does not rub in easy and takes several days to get it off of you.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
★★★★★ 5
Caribbean approved sunscreen
we bought this sunscreen due to the fact that the Caribbean doesn’t allow other sunscreens that are not Reef safe. I’m usually not a fan of mineral sunscreen due to the fact that it leaves a white residue. This sunscreen still leaves a white residue, but it is a very minor white residue. It worked well for the pool on our cruise ship and for the ocean. I didn’t have to reapply as often as I thought I would have for a mineral sunscreen. I don’t know if I still feel that the product was worth the price/amount, but I was overall satisfied with the Protection it gave us.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2025
★★★★★ 5
Easy to handle
Style: Lawn Edger w/(1) 4.0 Ah Battery
This is fantastic. It was a breeze to put together, the battery lasts a good 45 minutes or more, it is easy to handle, and does a terrific job of edging the concrete driveway. the roadside curb, and the borders of my flower beds. It is not too heavy and has loads of power. I am a 5'1" woman 81 years old and this tool is very easy for me to use and carry. The size is not too long even for me to maneuver. It is easy to lean if you get clumps of dirt in the housing for the blade and it is adjustable to suit the depth needed at the time. It seems very well made. The price was reasonable and I think we may be friends for quite a whole.
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Reviewed in the United States on July 29, 2025
★★★★★ 5
Right tool for the money
Style: Lawn Edger w/(1) 4.0 Ah Battery
Very impressed with this WORX Cordless Lawn Edger. My driveway have never been edged in over 30 years, this edger handled the job with ease, made a pass at one inch and then two inches. My driveway is 80 feet long, after the two passes I was left with one bar of battery power, great tool for the price. I would definitely recommend this product to any home owner that maintains their own yard.
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Reviewed in the United States on May 5, 2026