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Description
Flowtech Long Tube Header for 1966-74 Dodge/Plymouth - Black Paint - 13100FLTOverview: 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 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: Mandrel Formed Power Plenum Leak Test For Max
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 5/16" 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:
- Mandrel-Formed Power Plenum
- Leak Test For Max Performance
- Fuel Economy From The Engine
- Constructed of .049 cold roll flash mild steel tubing
- Include All Mounting Hardware
- Leakproof O-Ringed Port Seals
- Precision engineered for fit, performance and economy
Fitment Notes:
- Will not fit with A.I.R. injection pump.
- It may be necessary to raise the automotive column cross shaft linkage by rotating the mounting brackets on the frame and transmission 180º
- Will not fit vehicles with power steering.
- Breaking in an engine with ceramic coated headers WILL result in damage to the coating and will VOID all warranties. Ceramic coated headers require several heat cycles to fully cure before they will withstand extreme heat. Flowtech recommends using cast iron exhaust manifolds or old headers to break in new engines to avoid coating damage.
- The use of header wraps can cause the header tubes to crack or rust due to excessive heat and moisture build-up. Flowtech does not recommend the use of header wraps as this will void the warranty.
Applications:
| Year | Make | Model | Engine | Notes |
| 1967-1969 | Dodge | Dart | 4.5L V8 273 CID | See Fitment Notes Above |
| 1968-1974 | Dodge | Dart | 5.2L V8 318 CID | See Fitment Notes Above |
| 1968-1973 | Dodge | Dart | 5.6L V8 340 CID | See Fitment Notes Above |
| 1974 | Dodge | Dart | 5.9L V8 360 CID | See Fitment Notes Above |
| 1970-1974 | Dodge | Challenger | 5.2L V8 318 CID | See Fitment Notes Above |
| 1970-1973 | Dodge | Challenger | 5.6L V8 340 CID | See Fitment Notes Above |
| 1974 | Dodge | Challenger | 5.9L V8 360 CID | See Fitment Notes Above |
| 1966-1974 | Dodge | Charger | 5.2L V8 318 CID | See Fitment Notes Above |
| 1971-1973 | Dodge | Charger | 5.6L V8 340 CID | See Fitment Notes Above |
| 1974 | Dodge | Charger | 5.9L V8 360 CID | See Fitment Notes Above |
| 1967-1968 | Dodge | Coronet | 4.5L V8 273 CID | See Fitment Notes Above |
| 1967-1974 | Dodge | Coronet | 5.2L V8 318 CID | See Fitment Notes Above |
| 1972-1973 | Dodge | Coronet | 5.6L V8 340 CID | See Fitment Notes Above |
| 1973-1974 | Dodge | Coronet | 5.9L V8 360 CID | See Fitment Notes Above |
| 1967 | Plymouth | Barracuda | 4.5L V8 273 CID | See Fitment Notes Above |
| 1968-1974 | Plymouth | Barracuda | 5.2L V8 318 CID | See Fitment Notes Above |
| 1968-1969 | Plymouth | Barracuda | 5.6L V8 340 CID | See Fitment Notes Above |
| 1972-1973 | Plymouth | Barracuda | 5.6L V8 340 CID | See Fitment Notes Above |
| 1974 | Plymouth | Barracuda | 5.9L V8 360 CID | See Fitment Notes Above |
| 1967-1968 | Plymouth | Belvedere | 4.5L V8 273 CID | See Fitment Notes Above |
| 1967-1970 | Plymouth | Belvedere | 5.2L V8 318 CID | See Fitment Notes Above |
| 1967 | Plymouth | Belvedere II | 4.5L V8 273 CID | See Fitment Notes Above |
| 1967 | Plymouth | Belvedere II | 5.2L V8 318 CID | See Fitment Notes Above |
| 1973-1974 | Plymouth | Cuda | 5.2L V8 318 CID | See Fitment Notes Above |
| 1970-1973 | Plymouth | Cuda | 5.6L V8 340 CID | See Fitment Notes Above |
| 1974 | Plymouth | Cuda | 5.9L V8 360 CID | See Fitment Notes Above |
| 1970-1974 | Plymouth | Duster | 5.2L V8 318 CID | See Fitment Notes Above |
| 1970-1973 | Plymouth | Duster | 5.6L V8 340 CID | See Fitment Notes Above |
| 1974 | Plymouth | Duster | 5.9L V8 360 CID | See Fitment Notes Above |
| 1968 | Plymouth | GTX | 5.2L V8 318 CID | See Fitment Notes Above |
| 1971-1973 | Plymouth | Road Runner | 5.6L V8 340 CID | See Fitment Notes Above |
| 1974 | Plymouth | Road Runner | 5.9L V8 360 CID | See Fitment Notes Above |
| 1967-1968 | Plymouth | Satellite | 4.5L V8 273 CID | See Fitment Notes Above |
| 1967-1974 | Plymouth | Satellite | 5.2L V8 318 CID | See Fitment Notes Above |
| 1972 | Plymouth | Satellite | 5.6L V8 340 CID | See Fitment Notes Above |
| 1974 | Plymouth | Satellite | 5.9L V8 360 CID | See Fitment Notes Above |
| 1967-1969 | Plymouth | Valiant | 4.5L V8 273 CID | See Fitment Notes Above |
| 1968-1969 | Plymouth | Valiant | 5.2L V8 318 CID | See Fitment Notes Above |
Specs:
| Brand | Flowtech |
|---|---|
| Collector Diameter | 3.00 inch |
| Bolt Size | 5/16-18 x 3/4 |
| Emission Code | 4 |
| Engine | Chrysler Small Block LA |
| Header Finish | Black Paint |
| Header Style | Long Tube |
| Primary Tube Dia. | 1-5/8 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
4.2 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Comfy soft pillow covers
Color: 02 - White, Size: Queen (20" X 30"), Color: 02 - White, Size: Queen (20" X 30")
Absolutely love these pillow cases! I bought 2 sets. After I received them & washed & dried them they did remain wrinkly. I just went ahead and put them on my pillows & the wrinkles went away. I continue to love the feel, coolness & comfort. Will definitely buy more.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
★★★★★ 5
Great soft pillow cases
Color: 03 - Navy, Size: Standard (20" X 26")
Pillow cases are beautiful and soft, great quality. I had to return them because standard were too small. I am going to order queen instead.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 9, 2026
★★★★★ 5
These Bamboo Pillowcases Made Me Realize I Sleep Hot
Color: 07 - Cream, Size: Queen (20" X 30"), Color: 07 - Cream, Size: Queen (20" X 30")
I bought these mostly because I kept hearing people talk about bamboo pillowcases and honestly thought it sounded a little overhyped, but I totally get it now. The first thing I noticed was how cool they felt compared to regular cotton. I tend to get warm when I sleep and flip my pillow a million times during the night looking for the cold side, and these actually stay noticeably cooler longer.
They also feel really soft without having that weird slippery texture some silky pillowcases have. My skin has been less irritated lately and my hair definitely looks less frizzy in the mornings. I have thick hair that tangles easily overnight, and these have helped more than I expected.
Another thing I appreciate is that they’ve washed well so far. I was worried they’d pill or lose softness after a wash cycle, but they still feel smooth and nice. They also just make the bed feel cleaner and more comfortable overall. One of those small upgrades that ends up making a bigger difference than you’d think.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
★★★★★ 5
Soft and cooling
Color: 08 - Sage Green, Size: Queen (20" X 30")
These are great pillowcases. Very soft, comfortable, and they stay cool throughout the night. They fit perfectly and feel really nice against your skin.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
★★★★★ 4
Sheets are good. Greens don't match
Color: 08 - Sage Green, Size: King (20" X 36"), Color: 08 - Sage Green, Size: King (20" X 36")
I purchased the sage green sheets to go along with another Bedsure comforter, then purchased 2 more pillow cases (because i
I like a lot of pillows) and the greens don't exactly match. This doesn't REALLY bother me as I feel like its fine with a little "texture."
Sheets feel nice and light and I love the look of it in my room.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 3, 2026
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