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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
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Description
JEN SPEED RACE SPEC FA20 HEADERThis manifold is built to bolt in place of the factory manifold. Instead of utilizing the stock internal wastegate valve this will allow much finer control of boost by using two external wastegates. Since there isnt much room for gates a Tial 38mm MVS or a Turbosmart 40mm wastegate are the only ones we offer these for. WASTEGATES NOT INCLUDED These manifolds are built to make your FA Powered WRX more responsive and make controlling boost much easier.
This manifold is built to bolt in place of the factory manifold. Instead of utilizing the stock internal wastegate valve this will allow much finer control of boost by using two external wastegates.Since there isn’t much room for gates a Tial 38mm MVS or a Turbosmart 40mm wastegate are the only ones we offer these for.
WASTEGATES NOT INCLUDED
These manifolds are built to make your FA Powered WRX more responsive and make controlling boost much easier.
TRACK USE ONLY
Features:
The fa manifold features 1.5 sch 10 runners so the measurements for the runners are 1.9 OD and a 1.7 ID some big boi runners. That size runner is standard on all manifolds I offer and have made 1250+ awhp
Delivery date:
ETA from date of purchase: 8-10 weeks
Product is built per order so there are NO REFUNDS OR RETURNS
WARRANTY
WARRANTY INFORMATION:
-Thank you for your interest in the products and services of Jen Speed Solutions.
-This warranty applies only to physical goods purchased from Jen Speed Solutions. This warranty applies to the ORIGINAL PURCHASER ONLY and is NON-TRANSFERABLE.
WHAT DOES THIS WARRANTY COVER?
-This warranty covers defects in materials or workmanship only.
WHAT WILL WE DO TO CORRECT PROBLEMS?
-Jen Speed Solutions will either repair the product at no charge or replace the product.
WHAT DOES THIS WARRANTY NOT COVER?
-This warranty does not cover any problem that is caused by abuse, improper use, or improper installation.
WHAT DO YOU HAVE TO DO?
-To obtain warranty service, you must first contact us to determine the problem and most appropriate solution for you.
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 17 reviews
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Product Reviews
★★★★★ 5
Great Military Uniform Socks
Color: Green, 4 Pack, Size: Large
Fantastic socks for USAF or other military uniform. I'm in uniform all day and these socks keep my feet from smelling and keeps them comfortable all day! Great quality as well!
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Nice Quality Socks
Color: Coyote Brown, 3 Pack, Size: Large, Color: Coyote Brown, 3 Pack, Size: Large
Hate shopping for clothes online, even for socks. Looked at lots of different brands and settled on these due to their customer reviews which seemed positive. I ordered 2 of the 3 packs of the coyote brown in the large size. The color is pretty accurate to the advertisement. You can see my picture of the new sock unrolled straight out of the box alongside a tape measure that shows the length. The socks seem like they are very good quality. The aren't thin or see through like some of the cheaper options I considered. To me the are similar in thickness to a name brand white tube sock like Hanes or Fruit of the Loom. The large size is 18 1/2 inches long in it's natural shape and easily stretches over the calf but below the knee. I wanted to lighten the color to more closely match my work pants and tried washing them 5 times with bleach mixed in the washer. They held their color, and elasticity even with the bleach, so I didn't get the color change I was hoping for but goes to show that under normal washing (without bleach) the color won't likely fade anytime soon. The have great stretch and elasticity and stay up above the calf all day without sliding down. Definitely ordering these again when needed.
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Reviewed in the United States on January 24, 2026
★★★★★ 5
Good cushion and comfort for long term wear
Color: Green, 4 Pack, Size: Small
Great quality, very soft and cushioned.
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Reviewed in the United States on May 16, 2026
★★★★★ 4
Good replacement for GI socks
Color: Green, 4 Pack, Size: Medium
I ordered these for my son, he’s in the military and the socks they issued him were all getting holes worn in the top of the toe area from his work boots. So I ordered him some of these to supplement his normal ones. He said they’re pretty comfortable, we’ll see how they hold up after he wears them for awhile. But initially I’d say they’re a good buy. Points for the affordability.
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Reviewed in the United States on February 23, 2026
★★★★★ 5
Better than described
Color: Green, 4 Pack, Size: Large
Very comfortable socks that stay up in my boots. Look forward to purchasing more!
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Reviewed in the United States on May 30, 2026