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  3. GRIMMSPEED 405322

GRIMMSPEED 405322

fits model: Wrx, Sti, Xt, Forester. make: Subaru. year: 2009–2013.

405322 Grimmspeed Fits 08-14 Subaru Wrx / 08-17 Sti 09-13 Forester Xt

( Brand: Grimmspeed ), ( Manufacturer Part Number: 405322 ), ( Air Freight Prohibited: False ), ( Part Type: Automotive )

Review GRIMMSPEED Fits 08-14 Subaru 08-17 fits FORESTER WRX STI XT 2009–2013

Introducing the Grimmspeed 405322 Exhaust System, specifically designed for select Subaru models including the WRX (2008-2014), STI (2008-2017), and Forester XT (2009-2013). This performance exhaust system is a must-have for those seeking to enhance the power and sound of their Subaru.

The Grimmspeed 405322 Exhaust System is a high-performance cat-back exhaust system that replaces the restrictive factory catalytic converters and mufflers. It is engineered to provide a noticeable increase in power and torque throughout the entire RPM range. The system is constructed from premium 304 stainless steel, ensuring durability and resistance to corrosion.

One of the most notable features of the Grimmspeed 405322 Exhaust System is its free-flowing design. By eliminating the restrictive factory catalytic converters, the system allows for increased exhaust flow, resulting in improved power output. The system also features high-performance mufflers that provide an aggressive yet refined exhaust note, sure to please even the most discerning enthusiast.

The Grimmspeed 405322 Exhaust System is a direct bolt-on replacement, making installation easy and straightforward. It comes with all necessary hardware and instructions to ensure a hassle-free installation process. The system also features a polished finish, adding a touch of style and elegance to the exhaust system.

In summary, the Grimmspeed 405322 Exhaust System offers Subaru owners a significant power increase, improved exhaust flow, and an aggressive exhaust note. Its premium construction from 304 stainless steel ensures durability and resistance to corrosion, while its easy bolt-on installation makes it a popular choice among Subaru enthusiasts. Upgrade your Subaru today with the Grimmspeed 405322 Exhaust System and experience the difference for yourself.

The Grimmspeed 405322 Exhaust System is a popular aftermarket exhaust option for Subaru WRX (2008-2014), STI (2008-2017), and Forester XT (2009-2013) models. Below are the pros and cons of this exhaust system to help you make an informed decision.

Pros:

1. Enhanced Performance: The Grimmspeed exhaust system provides better exhaust flow, improving engine performance. It results in increased horsepower and torque.

2. Improved Sound: The exhaust system offers a more aggressive and pleasing exhaust note. It's a significant upgrade from the stock system, making your vehicle sound more sporty.

3. Durability: The Grimmspeed exhaust system is made from high-quality materials, ensuring it can withstand the rigors of daily driving and high-performance use.

4. Easy Installation: The exhaust system comes with all necessary hardware for installation, making it a relatively straightforward process for most enthusiasts.

5. Fitment: The Grimmspeed exhaust system is specifically designed for the Subaru WRX, STI, and Forester XT models, ensuring a perfect fit.

Cons:

1. Expensive: The Grimmspeed exhaust system is a premium aftermarket option, and the cost reflects its high-quality materials and performance benefits.

2. Loud: The exhaust system can be quite loud, making it unsuitable for those who prefer a more subtle exhaust note.

3. Drone: At certain RPMs, the exhaust system can produce a noticeable drone or resonance, which some people may find annoying.

4. Requires a Catalytic Converter: The Grimmspeed exhaust system comes without a catalytic converter, which may require additional costs and modifications to meet legal emissions requirements.

Conclusion:

The Grimmspeed 405322 Exhaust System is an excellent investment for those looking to enhance their Subaru WRX, STI, or Forester XT's performance and sound. It offers a perfect fit, improved exhaust flow, durability, and a more aggressive exhaust note. However, its high cost, potential for loudness, and the need for a catalytic converter are significant considerations. Ultimately, it depends on your priorities and preferences. If you're looking for a high-performance exhaust system, the Grimmspeed 405322 is an excellent choice. However, if you're on a budget or prefer a more subtle exhaust note, this might not be the best option for you.

Recommendation:

If you're considering the Grimmspeed 405322 Exhaust System, make sure to weigh the pros and cons carefully. Consider your budget, performance goals, and noise tolerance before making a decision. If you're looking for a similar but more affordable option, consider other aftermarket exhaust manufacturers like Cobb or Injen. Alternatively, if you prefer a more subtle exhaust note, you might consider other performance upgrades like a cold air intake or a tuner instead.

Details:

GrimmSpeed 08-14 Subaru WRX / 08-17 STi 09-13 Forester XT Radiator Hose Kit - Black.

part #: 405322 prices

  • $119.00-$121.99

specifications airfueldepo:

  • for models: Wrx, Sti, Xt, Forester
  • for makes: Subaru
  • for years: 2009-2013
  • brand: Grimmspeed
  • mpn: 405322
  • air freight prohibited: False
  • part type: Automotive

offer airfueldepo:

  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • quantity: 4
  • started: December 13, 2025

seller airfueldepo:

  • city: Frisco
  • rating: 99.3%
  • # reviews: 1078

shipping airfueldepo:

  • service: UPS Ground
  • carrier: UPS
  • type: Fixed
  • class: Standard
  • cost: $0.00
  • transit: 4-6 Days

payments airfueldepo:

  • wallet: Google-pay
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  • credit card: Diners-club

general airfueldepo:

  • Car Truck Parts Accessories > Air Fuel Delivery > Other Air Fuel Delivery
  • condition: New

returns airfueldepo:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days
for models: wrx, sti, xt, forester, for makes: subaru, for years: 2009-2013, air freight prohibited: false, part type: automotive,
category: auto parts > car truck parts accessories > air fuel delivery, sku: 12228249554874604,

Grimmspeed 405322 Is Similar To:

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5 offers $119.00–$121.99 USD
  • Offer #1: $119.00 price + $0.00 shipping estimate = $119.00* total. Color: Black. Manufacturer's Part Number:.FREE SHIPPING
  • Offer #2: $119.00 price + $0.00 shipping estimate = $119.00* total. C828.11 Disc Brake Rotor Front For 2018-2021 Subaru WRX STi. Part Number:.FREE SHIPPING
  • Offer #3: $121.99 price + $0.00 shipping estimate = $121.99* total. Quick Specs 5-ply silicone construction3D scanned for perfect fitHigh quality replacement clamps includedLifetime Warranty Fitment 2008 - 2014 Subaru WRX2008 - 2018 Subaru STI2009 - 2013 Subaru Forester XT2009 - 2010 Subaru Forester2008 - 2011 Subaru Impreza.FREE SHIPPING
  • Offer #4: $134.95 price + $0.00 shipping estimate = $134.95* total. Available in black or red finish with white GrimmSpeed logo. The GrimmSpeed Radiator Hose Kit is designed to replace the factory hoses in the 2008 2014 Subaru WRX, 2008 2017 Subaru STI, and 2009 2013 Subaru Forester XT.FREE SHIPPING
  • Offer #5: $116.00 price + $14.99 shipping estimate = $130.99* total. Made from high-quality, heat-resistant materials, these hoses are engineered for longevity and consistent performance under demanding conditions.+$14.99 shipping

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