Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
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
4.6 ★★★★★
Based on 156 reviews
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Product Reviews
★★★★★ 5
Runs true to size and well made!
Color: Black, Size: Medium
I am very pleased with the size and cut of this top. I hesitated on sizing (at 5'1" and 105 lb) because I like a looser fit and am sometimes given different size recommendations. Many times the tops are too large and must be altered or simply passed on to thrift stores. This shirt in a medium is perfect in its fit, flows nicely. The neckline is not too low, but more like a shirt with a couple of top buttons unbuttoned- no gap. The sleeve length is good for me as my shoulders are a bit narrow. (I checked and no way to remove the stitches that hold the sleeve into a cuff. They are deeply embedded into this soft opaque fabric that has some stretch. (Even with the best of seam rippers and sharp eyesight!)I think the rolled cuff is cute! Top drapes well and is a great length for jeans or shorts- dressy casual wear, with its perfect fabric thickness. I really like the black color. I would not wear it with leggings because of the length, but jeggings are great with it. The little contrasting buttons are a nice touch. Great value buy.
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Reviewed in the United States on May 5, 2026
★★★★★ 4
Great material! Comfortable fit!
Color: White, Size: Large
Great quality! Very soft material and holds its shape after wear and is not see-through. V-neck and buttons are positioned properly and the cap sleeve looks great! Have not washed yet but with the material I am thinking it will hold. I originally ordered L based on reviews, but it's too big all over so re-ordering in M. I'm 5'4", 135 for reference.
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Reviewed in the United States on April 6, 2026
★★★★★ 5
Cool and Comfortable
Color: Army Green, Size: Small
Tops are well made of great fabric. They run true to size. They fit great and are great for summer wear.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Super comfy and pretty
Color: Black, Size: X-Large
Fit is nice and comfortable!!! Soft in the inside as well! It’s not huge but also doesn’t stick to me.
You can literally wear it down (casual with jeans or shorts) or dress up (like I did for Mother’s Day with a nice skirt and jacket)
Seems breathable enough for our California heat
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Great buy. Love this shirt!
Color: Teal, Size: Medium
This shirt is so great. The color is absolutely stunning and vibrant! The material is so soft and comfortable. I use it as a casual work shirt with capri leggings, and stay comfortable all day. It definitely runs a bit large. I am short so it hangs very long but I like my shirts that way for work. I am usually somewhere between a small and a medium and I like a loose fit so I got a Medium. This was almost too big for me to wear, but I am making it work. I plan to buy this shirt in multiple colors and will get a small next time. For reference, I am 5"2', 126lbs, bra size 34 C.
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Reviewed in the United States on May 15, 2026