GrimmSpeed 08+ WRX/08+ STi/05-09 LGT Downpipe 3in Catted Limited w/ Ceramic Black Coating

Price: $775.00
Brand:  GrimmSpeed
Product Code:  GRM 007098
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Downpipe 3" Catted LIMITED w/ Black Ceramic Coating - 08+ WRX, 08+ STI, 05-09 LGT (5spd, 6spd)

We are extremely proud to introduce our Catless Divorced Downpipe for Subarus. It's safe to say, the years our engineering department spent on this downpipe have paid off. A GrimmSpeed™ Catless Divorced Downpipe is one of the first modifications that should be done on your car. The OEM downpipe contains two very restrictive catalytic converters, killing the power potential of your car (not to mention the oem blocked wastegate port).

You are looking at a top-of-the-line fully USA built Downpipe. All materials, engineering, R&D, fabrication, etc are straight out of the USA. The tubing is CNC Mandrel Bent 304 Stainless Steel using our custom made bend dies which give you the best fit and performance possible. Please take a second to check out these 304 Stainless Steel flanges...a serious work of art. All 3 sides of the flanges are CNC Machined to perfection. If that isn't over-the-top enough for you, check out the new 3-D Contour Flange. Instead of the exhaust hitting a flat wall like on most divorced downpipes, we have spent a lot of engineering(and machining) hours creating a nice smooth transition through the wastegate port for the ultimate in boost control for you. The outlet of the downpipe has a standard 3” 2-Bolt flange that will mate up with most aftermarket cat-backs on the market. We have also included a wideband O2 bung for you if needed. Having a secondary o2 Bung saves you time and money because you will not have to pay a shop to install one for you.

FARO™ Arm for perfection. During our design, we utilize our in-house 7-axis FARO™ Arm to obtain extremely accurate fitments. What this means is, we scan all of the mounting points on the car, bring those into our CAD software, and then begin designing the pipe around our scanned oem data in our Solidworks CAD software. Most downpipes(or exhaust pipes for that matter) on the market are designed using fixtures. Essentially our competitors will create a welding fixture by hand off of an oem part. This leads to a ton of chances for things to be off. We don't take those chances. We have spent the capital on R&D equipment where others have not.....for you.

By using a downpipe that is catless, it allows you to fully maximize your exhaust flow which will increase the ability of your car to produce huge horsepower and torque gains. Turbo power, response, and efficiency is greatly improved. Once you have added our downpipe to your vehicle, you must be tuned.

Replacing your factory catalytic converter sometimes causes a ‘cat converter efficiency’ check engine light. You can either use tuning to delete this CEL or you can use a mechanical fix.

Going over-the-top, it's what you can expect from GrimmSpeed

Make Model Years
Subaru Forester XT 2009 - 2009
Subaru Forester XT Limited 2009 - 2010
Subaru Forester XT Premium 2010 - 2013
Subaru Forester XT Touring 2011 - 2013
Subaru Impreza 2.5 GT Hatchback 2009 - 2010
Subaru Impreza 2.5 GT Sedan 2009 - 2010
Subaru Legacy GT 2005 - 2006
Subaru Legacy GT Limited 2005 - 2009
Subaru Legacy GT Spec.B 2006 - 2009
Subaru Outback XT 2005 - 2006
Subaru Outback XT Limited 2005 - 2009
Subaru WRX Hatchback 2008 - 2014
Subaru WRX Limited Hatchback 2010 - 2014
Subaru WRX Limited Sedan 2010 - 2014
Subaru WRX Premium Hatchback 2010 - 2014
Subaru WRX Premium Sedan 2010 - 2014
Subaru WRX Sedan 2008 - 2014
Subaru WRX STI Base 2015 - 2018
Subaru WRX STI Hatchback 2008 - 2014
Subaru WRX STI Hyper Blue 2016 - 2016
Subaru WRX STI Launch Edition 2015 - 2015
Subaru WRX STI Limited 2015 - 2018
Subaru WRX STI Limited Hatchback 2010 - 2014
Subaru WRX STI Limited Sedan 2011 - 2014
Subaru WRX STI Sedan 2011 - 2014
Subaru WRX STI Special Edition Hatchback 2010 - 2010
Subaru WRX STI Type RA 2018 - 2018

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