SKU: 90626281648

MAPerformance Downpipe Upgrade | 2008-2021 Subaru STI

Sale price$342.45 Regular price$380.50
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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

MAPerformance Downpipe Upgrade | 2008-2021 Subaru STI2008 2021 Subaru WRX STI 2008 2014 Subaru WRX Downpipe Upgrade by MAPerformance When the turbo compresses exhaust gas, its forced through a narrow OEM downpipe on its way through your exhaust system. This narrow pipe creates back pressure & reduces exhaust flow leaving your car short of its true power potential. MAPerformance has crafted the perfect solution to unleash this power and is proudly offering it to the eager 15+ Subaru STI market. Designed

2008-2021 Subaru WRX STI / 2008-2014 Subaru WRX Downpipe Upgrade by MAPerformance

When the turbo compresses exhaust gas, its forced through a narrow OEM downpipe on its way through your exhaust system. This narrow pipe creates back pressure & reduces exhaust flow leaving your car short of its true power potential. MAPerformance has crafted the perfect solution to unleash this power and is proudly offering it to the eager 15+ Subaru STI market.

Designed to last a lifetime, the MAPerformance Subaru Downpipes are available with a high flow catalytic converter.

Built in-house from 3" mandrel bent 304SS piping our semi-divided head pipe maximizes exhaust flow and helps to eliminate unwanted boost creep. Utilizing a thick 1/2" stainless steel turbo outlet flange, high-quality interlocking lined stainless steel flex section and sporting an additional O2 bung, this STI downpipe has been designed to outperform & outlast our competitor's offerings at a price point that won't break the bank.

Mating our MAPerformance Subaru WRX / STI Downpipe to an OEM factory exhaust or aftermarket exhaust is a breeze. Simply select the option you'd like in the drop downs above and we will include all the necessary hardware.

Disclaimer: As sound level and emissions laws vary based on location, please consult your local authorities for additional information.

Features

  • Semi-divided Cast head pipe to maximize flow and eliminate boost creep!
  • Divorced wastegate dump to increase turbine flow!
  • 1/2 thick stainless turbo outlet flange
  • Extra o2 bung and plug
  • Made from 304 stainless steel for superior corrosion resistance and enhanced appearance
  • Mandrel-bent tubing throughout optimizes exhaust flow
  • Stainless steel flex section reduces stress from engine movement increasing longevity
  • Designed to be used with your OEM turbo outlet gasket
  • 100% Made in the USA

Applications

  • 2008-2014 Subaru WRX*
  • 2008-2021 Subaru WRX STI*
  • *Will NOT Fit RHD Models

What's in the box?

  • One Piece Downpipe
  • Required Hardware & Gaskets
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 90626281648

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Nancy J
Lake Worth, US
★★★★★ 5
Unbelievable shirt for the money!
Color: White, Size: Small
Soft and cozy yet sharp and finished. Would definitely highly recommend. Went back and bought two more. Comes out of the dryer without a wrinkle. The color on the brown is rich and looks good dressed up or down. Definitely a great T-shirt at a fantastic price.
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Reviewed in the United States on June 1, 2026
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Toni
Houston, US
★★★★★ 5
Love these and perfect for European Spring
Color: White, Size: Medium
Very nice for travel. They rolled up perfectly and fit easily into my compression bags. Best of all, they didn’t wrinkle after a 14-hour flight. The material is soft and heavy enough for spring weather in Porto. I wore both colors there in April. I got a spot on the brown one, and it came right out. It also dried quickly without leaving a water stain. I probably wouldn’t wear them in Georgia during the summer. The white is more of a cream color, and the brown is a beautiful chocolate brown. The sizing was accurate. I’m 5’6” and 150 lbs, and the medium fits loosely without looking baggy. It also works well worn untucked over pants. I would definitely purchase again.
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Reviewed in the United States on April 8, 2026
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Sha7759
Battle Creek, US
★★★★★ 4
Great for the price but not perfect
Color: Light Green, Size: Large, Color: Light Green, Size: Large
I have this shirt in two colors. Can’t beat the price! The shirt is a good thickness (the white is NOT see-thru) and fit well. It holds its shape when washed. Looks great with a cardigan or blazer, and it’s very comfy. Not too tight, not too baggy. I took off one star because it pills badly (see pic - this was after wearing only twice). My fabric shaver took care of it easily, thankfully. It’s also hot. The polyester doesn’t breathe. But again, for the price - great option for layering on a less hot day. For sizing, I’m 5’6, about 185, and a 38C bra. The Large fit me perfectly.
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Reviewed in the United States on April 16, 2026
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katie
Cuba, US
★★★★★ 5
Classy t-shirt
Color: Black, Size: Small
I bought one of each color that was under $8. They are soft, lined with silky material, no wrinkles and are appropriate for casual work or looking out together running errands. They are somewhat structured and feel expensive. Best find for summer over anything I’ve found so far. These beat every high end tee shirt by far in quality, fit and price!
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Reviewed in the United States on April 25, 2026
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Carla Brimhall
Waukegan, US
★★★★★ 5
Excellent shirt, especially at this price point--a true can't miss!
Color: Grey Blue, Size: Large
I have ordered this shirt in several colors. It is loose, comfortable and washes up perfectly. So far, I haven't had any pilling. It performs like a much more expensive shirt. Because it is loose fitting, it hides a multitude of figure problems. I love these shirts.
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Reviewed in the United States on May 25, 2026

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