Welcome to the Flatirons Tuning Website

Flatirons Tuning is a division of Flatirons Acura and Subaru in Boulder, Colorado. We specialize in top quality performance parts for Honda, Acura and Subaru, for both street and race applications. We are dealers for many top aftermarket brands including Cobb Tuning, Comptech, BPM, Spoon Sports, Cusco, Enkei Race Wheels, Perrin, STI, SPT, Prodrive, Brembo, Tein, Exedy, Blitz, Go Fast Bits, and Red Line.

Our goal is to provide excellent customer service while being your source for all your Acura and Subaru performance needs.

Stay tuned for updates on the Flatirons Tuning Rally team currently competing in the 2008 Rally America Championship series.

Check out highlights from last years event's: CLICK HERE

 

exhaustProdrive Cold Air Intake for the WRX, STI, and Forester XT
Our Price: $274.99

It is well known in the Subaru Tuning community that it is very difficult to make a cold air intake, or any intake for that matter, that will work properly with the stock Subaru Mass Air Flow Sensor.

wrxCobb 3" Cast Bellmouth Downpipe for WRX, STI, and Forester
Price: $425.00

Starting with the basics, Cobb's downpipe replaces the two factory catalytic converters located directly after the turbocharger. These parts are commonly called the downpipe and 3rd cat or mid-pipe cat. Cobb's downpipe has been specifically designed for an OEM-like fit and will bolt directly to the COBB Cat-Back, the factory cat-back, or any aftermarket system designed to bolt to the factory catalytic converter.

Cobb-Access-Port-2.0Cobb Access Port 2.0


Price: $695.00

Salt Lake City, Utah, October 29, 2006 - Today Cobb Tuning, Inc. announced the release of the completely redesigned AccessPORT™ handheld programmer and software for Subaru vehicles with planned support for Mitsubishi, Nissan, Mazda, and Toyota vehicles in the future.

exhaustCusco 94 - 01 Integra (DC4) Strut-Braces
Sale Price: $149.00

Increase chassis rigidity with the addition of Cusco’s strut braces.  They connect the tops of your struts to reduce chassis flex under cornering loads, improving steering feel and response.

 

exhaustOdyssey Dry Cell Batteries


Sale Price: $109.99

The ODYSSEY® Drycell battery combines in one box the characteristics of two separate batteries. It can deep cycle as well as provide enormous cranking power. A typical starting, lighting and ignition (SLI) battery can do one or the other, but not both. Conventional batteries are either a sprinter or a long distance runner; An ODYSSEY® battery will do both — provide short duration high amperage pulse or low rate long duration drains.

exhaustWhiteline RSX Adjustable Sway-Bars Front and Rear (02 - 06 All)
Sale Price: $162.50

Whiteline Automotive has been developing and manufacturing suspension components for over 40 years in Australia.  They also specialize in producing a wide variety of suspension components for Subaru’s, and offer a number of different sway-bar options.