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GrimmSpeed Stainless Steel 2-Bolt Up-Pipe Subaru STI | WRX | Forester XT | Legacy GT | Outback XT 2004-2021
$269.00
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GrimmSpeed GRM.1099.1.SS Up-Pipe: Performance Meets Precision

If you’re a Subaru owner looking to enhance your ride, the GrimmSpeed GRM.1099.1.SS Up-Pipe is a must-have upgrade. Designed specifically for the Subaru STI (2004-2021), WRX (2006-2014), Forester XT (2006-2013), Legacy GT (2007-2009), and Outback XT (2007-2009), this up-pipe delivers on every front—performance, fitment, and emissions compliance.

Why Upgrade Your Up-Pipe?

Installing a well-engineered up-pipe is one of the best early modifications you can make to your Subaru. The GrimmSpeed Up-Pipe is crafted to improve exhaust flow, reduce turbo lag, and help your turbo spool faster—typically around 300-400 RPM quicker. This means you’ll feel the difference in your daily drive or when you’re pushing your car on the track.

Key Features

  • Gaskets Included: Comes with GrimmSpeed Fire Ring Multi-Layer Steel Gaskets for a secure seal.
  • Flex Joint: Features a 321 Stainless Steel "Tuned-Bellow" design for added durability and flexibility.
  • Tubing Thickness: Heavy-duty 14 Gauge 304 Stainless Steel, 33% thicker than many competitors, ensuring long-lasting performance.
  • Pipe to Flange Connection: Ported flush for smooth, uninterrupted exhaust flow.
  • Flanges: CNC milled from 1/2" 304 Stainless Steel for precision fitment.
  • Finish Options: Choose between raw stainless steel or black ceramic thermal coating for added aesthetics and heat resistance.
  • Reduced Turbo Lag: Experience quicker turbo response for a more exhilarating driving experience.
  • No Tune Required: Install and enjoy performance gains without the need for additional tuning.
  • SEMA Certified: Meets industry standards for quality and performance.
  • CARB EO: Currently in process for emissions compliance.

What’s Included?

  • (1x) GrimmSpeed 2-Bolt EJ Up-Pipe
  • (1x) GrimmSpeed Up-Pipe to Turbo Gasket
  • (1x) GrimmSpeed Lower Up-Pipe Gasket
  • (5x) M10x1.25 Turbo Mounting Studs
  • (2x) M10x1.25x40mm Yellow Zinc Bolts
  • (2x) M10x1.25 Serrated Flange Yellow Zinc Nuts
  • (2x) M10 Yellow Zinc Washers
  • (5x) M10x1.25 Yellow Zinc JIS Flange Nuts
  • (1x) GrimmSpeed Sticker

Fitment

  • Subaru STI 2004-2021
  • Subaru WRX 2006-2014
  • Subaru Forester XT 2006-2013
  • Subaru Legacy GT 2007-2009
  • Subaru Outback XT 2007-2009

Notes

  • This up-pipe is designed for USDM Subaru EJ25 engines with an OEM-style 2-bolt header configuration.

Customer Feedback

"Installed the GrimmSpeed Up-Pipe on my 2018 WRX, and I noticed a significant drop in turbo lag. The car feels more responsive, and the install was straightforward with all the necessary gaskets included." - WRX Owner

Take your Subaru’s performance to the next level with the GrimmSpeed GRM.1099.1.SS Up-Pipe. It’s not just an upgrade; it’s a game-changer for your driving experience.

Proposition 65

WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
2007-2009
Subaru Legacy
2007-2009
Subaru Outback
2004-2021
Subaru STI
2006-2014
Subaru WRX

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Who is Grimmspeed?

Grimmspeed is an automotive aftermarket company that was founded in 2006 by Justin Grimm. They specialize in creating parts for the exhaust system for various automotive vehicles. Grimm has always had this passion for cars and had always wanted to improve his vehicle’s performance. After numerous trials, he was able to perfect his craft and later on decided to turn it into his career. Today, they have become one of the leading brands when it comes to producing high-performance exhaust systems.

Expanding their Product Offering

The company initially manufactured parts for Subaru. But as the company expanded, they started offering parts for other brands such as Ford, Mitsubishi, Hyundai, and Mazda. They now offer parts such as intercoolers, intake, exhaust, engine pulleys, gaskets, boost controllers, phenolic spacers and so much more.

Continuous Product Development

Grimmspeed never stops in finding ways to produce innovative products and is always on the push to keep their products up to date. With the rapid change in automotive technology, it is a must that their product is able to adapt to this change for it to satisfy the demand of its users. This is the reason why the company has gained the trust of many tuners all around.

Purchase Grimmspeed Product at Vivid Racing

Built by an enthusiast for fellow enthusiasts.

If you want a product that is designed to improve the performance of your vehicle, then Grimmspeed is the brand for you. To know more about Grimmspeed, visit Vivid Racing and check out their list of products that would fit your specific needs.






 




What is the GrimmSpeed Limited Lifetime Warranty Policy?GrimmSpeed-branded products are warrantied to the original owner against manufacturing defects in materials and workmanship for the lifetime of the product.

If a GrimmSpeed-branded product covered by this warranty fails due to a manufacturing defect we will repair the product, without charge, or replace it, at our discretion. Only original, unaltered and unmodified materials and workmanship are covered by this policy and you must provide proof of original purchase to be fully covered. This warranty does not cover damage caused by accidents, improper care/installation, negligence, reasonable/normal wear and tear, or the natural breakdown of colors, coatings and materials over extended time and usage. GrimmSpeed cannot be held liable for any damage to your vehicle and/or its components caused by failures associated with the previous statement. Damage not covered under warranty may be considered for repair for a reasonable rate or a reduced price for a replacement piece (a fee will be charged for return shipping).This warranty is available in the United States and Canada.

This warranty does not cover products sold by GrimmSpeed that are not GrimmSpeed-branded products.

This warranty gives you specific legal rights; you may have other rights, which vary from state to state.

The GrimmSpeed website sells GrimmSpeed-branded discontinued, special make-up, and slightly blemished products at significant discounts as 'factory seconds' products. This warranty does not necessarily cover any products purchased as 'factory seconds'. The GrimmSpeed Warranty Department may repair 'factory seconds' products for a reasonable charge and a fee will be charged for return shipping.

Is normal wear and tear covered?

The GrimmSpeed Limited Lifetime Warranty covers manufacturing defects in materials and workmanship, but it does not cover normal wear and tear over extended time and usage. Wear and tear is damage that naturally and inevitably occurs as a result of normal use. Regardless of how carefully you use, or how well you care for your GrimmSpeed product, like all performance parts it will eventually begin to show age and wear. Common examples of wear and tear that would not be covered under the limited lifetime warranty include denting, abrasions or scratches, color changing from heat in exhaust components and so on, less common examples include flex-section wear and fatigue cracks over an extended period of time.

How do I send my product in for warranty?

The first step is to contact [email protected] and let them know of your issues/concerns. From there, a customer service representative will personally work with you to determine the best path forward. For the quickest service, please include your contact information and photos of the failed product along with a copy of your receipt/invoice in your initial email.

Upon request from your customer service representative, your product must be returned directly to The GrimmSpeed Warranty Department at 650 Taft St NE, Suite 300, Minneapolis, MN, 55413. All shipping to Warranty must be pre-paid and insured. GrimmSpeed cannot be liable for lost in-bound packages.

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