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Description
Flowtech Long Tube Header - Black Paint - 11530FLTOverview: Flowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 3 8" flanges with sealing rings 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. Features: Fuel Economy From The Engine Precision engineered
Overview:
Flowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 3/8" flanges with sealing rings 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.
Features:
- Fuel Economy From The Engine
- Precision engineered for fit, performance and economy
- Constructed of .049 cold roll flash mild steel tubing
- Include All Mounting Hardware
- Leakproof O-Ringed Port Seals
- Mandrel-Formed Power Plenum
- Leak Test For Max Performance
Application:
- 1973-1986 Chevrolet C20 Suburban
- 1975-1986 Chevrolet C20
- 1975-1986 Chevrolet C30
- 1973-1980 Chevrolet C10 Suburban
- 1979-1986 GMC C3500
- 1979-1986 GMC C2500
- 1979-1986 GMC C2500 Suburban
- 1968-1974 Chevrolet C10 Pickup
- 1968-1974 Chevrolet C20 Pickup
- 1968-1974 Chevrolet C30 Pickup
- 1968-1974 Chevrolet K10 Pickup
- 1968-1974 GMC C35/C3500 Pickup
- 1968-1974 GMC K25/K2500 Pickup
- 1968-1974 Chevrolet K20 Pickup
- 1968-1974 Chevrolet K30 Pickup
- 1968-1974 GMC C15/C1500 Pickup
- 1968-1974 GMC C25/C2500 Pickup
- 1968-1974 GMC K35/K3500 Pickup
- 1975-1980 Chevrolet C10
- 1987-1991 GMC R2500 Suburban
- 1976-1980 Chevrolet K10
- 1977-1981 Chevrolet K30
- 1973-1976 GMC Jimmy
- 1975-1978 GMC C15
- 1975-1978 GMC C15 Suburban
- 1975-1978 GMC C25
- 1975-1978 GMC C25 Suburban
- 1975-1978 GMC C35
- 1976-1978 Chevrolet K5 Blazer
- 1976-1978 GMC K25
- 1979-1981 GMC K3500
- 1976-1978 Chevrolet K20
- 1989-1991 Chevrolet R2500 Suburban
- 1976-1977 GMC K25 Suburban
- 1968-1969 GMC K15/K1500 Pickup
- 1973-1974 GMC C15/C1500 Suburban
- 1987-1988 Chevrolet R20 Suburban
- 1979-1980 GMC C1500
- 1979-1980 GMC C1500 Suburban
- 1980 GMC K1500
- 1987 GMC R2500
- 1987 GMC R3500
- 1973 Chevrolet Blazer
- 1974 GMC K15/K1500 Suburban
- 1973 Chevrolet K20 Suburban
- 1974 GMC C25/C2500 Suburban
- 1976 GMC K15
- 1987 Chevrolet R20
- 1987 Chevrolet R30
- 1974 GMC K25/K2500 Suburban
Specs:
| Brand | Flowtech |
|---|---|
| Collector Diameter | 3.00 inch |
| Emission Code | 4 |
| Engine | Big Block Chevy |
| Header Finish | Black Paint |
| Header Flange Thickness (in) | 3/8 inch |
| Header Style | Long Tube |
| Primary Tube Dia. | 1-3/4 inch |
| Product Type | Headers |
| Tube Material | Mild 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
4.4 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Love it
Size: 1000 Teaspoons
Hakia, love.It still have a quite a bit
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Strong and Durable, Great for Large Garbage Cans
Scent: Unscented, Size: 50 Count (Pack of 1)
I’ve got a large garbage can for a big family, and in the past, every other brand of bag I tried would always slip down when filling it, turning trash day into a messy nightmare. I finally decided to look for a heavy-duty, extra-large bag and found these 30-gallon Glad bags—and I’m glad I did.
I even tested three different brands to see which one I liked best, and these came out on top by far. They’re rip-resistant, strong, and extra roomy, making them perfect for a busy household. Even if they’re a little more expensive than other bags, the durability and reliability make them totally worth the extra cost. No more wrestling with sagging trash bags!
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Reviewed in the United States on February 10, 2026
★★★★★ 5
Been Using These for Years
Scent: Unscented, Size: 50 Count (Pack of 1)
I have been using these Glad 30 gallon ForceFlex trash bags for years and they never disappoint. The black color looks clean, they are thick and strong, and the unscented option is perfect if you do not want artificial smells. They hold up well with heavy trash, resist leaks, and the drawstrings make them easy to tie and carry. Great quality and worth the price.
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Reviewed in the United States on January 24, 2026
★★★★★ 5
Holds up really well in my house!
Scent: Unscented, Size: 50 Count (Pack of 1)
Good trash bags. They hold up really well and do not tear like most trash bags do. Would recommend. Do not notice a strong scent to them either.
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Reviewed in the United States on April 3, 2026
★★★★★ 5
still the best
Scent: Unscented, Size: 50 Count (Pack of 1)
Update from after they changed the bags to the two layer bags.
I was alerted by another customer that the bags on the page changed, and she scared me away from trying the new version so much I bought the Hefty bags. Well, I am back. I did not like those, they are stiff, but they slash through easy and I did not like the smell. I looked again into glad bags, and realized that they did not get thinner. They are now two layers. Each of the two is thinner, but together they make for a stronger bag. It works just like when the cashier at the grocery store double-bags your heavy milk cartons.
I used up a smaller box of this new dual defense variety and went back on amazon to buy the bigger box. They work the same as the old ones. They are strong and do not rip under normal conditions. I like how stretchy they are. The outside layer is white, inside layer is black. The bags look gray from the outside as the black shows from under the white. It looks black from the inside, and you cannot see gray when it is in the garbage can in the kitchen.
Original review:
Those are my favorite bags. I use them in my regular size kitchen garbage can, because it is black and I do not like how white bags show when used inside of trash cans. And I do not like to use clear bags - who wants to see the garbage? So, black it is. I like that the bags are bigger than the can since I never have any problems closing the bags and can fit a pizza box or something extra that would not fit into the can and waits for its turn behind the can.
Forceflex bags are truly tough, they can stretch around items instead of tearing, and the red ribbon inside is thick and attached securely, too, so it stays where it supposed to be, and I do not get any nasty surprises on my way to the outside bin, and my trash collectors never have to pick up fallen garbage from the road, too.
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Reviewed in the United States on April 7, 2015