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GrimmSpeed 02-05 WRX/04+ STi/04-08 FXT Downpipe 3in Catted Limited

Your Price: $599.00
Part Number:Grimmspeed 007060
After several years of R&D, the GrimmSpeed downpipe is finally available! You are looking at a top-of-the-line fully USA built downpipe. All materials, engineering, R&D, fabrication, are straight out of the USA. The tubing is CNC Mandrel Bent 304 Stainless Steel using custom made bend dies which give you the best fit and performance possible. All 3 sides of the 304 Stainless Steel flanges 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, GS 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. A secondary wideband O2 bung is also built in if needed. During design, GrimmSpeed utilizes their in-house 7-axis FARO Arm to obtain extremely accurate fitment and maximum power potential. 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.

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