GrimmSpeed Up Pipe

SKU
003001
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GrimmSpeed Up Pipe for 2004-2021 Subaru STi, 2002-2014 Subaru WRX & 2005-2009 Subaru Legacy GT EJ20/EJ25 - 003001

A TOP OF THE LINE UP PIPE MADE TO BE ABUSED
Adding an aftermarket Up Pipe is one of the first things you should do to your Subaru. Arguably one of the best $/HP ratios. The goal was to make a premium heavy duty Up Pipe for you.

Design
They designed this Up Pipe using our in-house FARO Arm along with the latest and greatest Solidworks CAD software. This assures that we can offer you the most precise and best fitting Up Pipe on the market. In short, OEM exhaust manifold pieces are inconsisent so we used our reverse engineering hardware/software to scan countless OEM pieces to determine the range of best fitments for our aftermarket pipe. This allows us to be very confident that your flanges will be leak free and the Up Pipe will fit nicely.

Materials
The Up Pipe is made with the best local raw materials available. The flex joint is 321 Stainless Steel w/ an Interlocking Liner and the tubing is a heavy duty 14 Gauge 304 Stainless Steel (competitors use thinner 16 GA) that has been precisely CNC Mandrel Bent; our flanges are made out of 1/2" 304 Stainless Steel and are put through a tumbling process to smooth out the edges. The pipe is hand-welded on the inside of the flange, in addition to the outside, allowing for added strength to the finished product and a nice mating surface with optimal flow through the pipe. All fabrication is completed by our team of certified Welders/Fabricators which ensures that each and every Up Pipe that comes out of our facility will handle anything you throw at it!

Performance
Flow Bench Results vs. OEM at 28" WC
OEM Catless - 244.6 CFM
OEM Catted - 164.7 CFM
GrimmSpeed - 292.6 CFM

Spool Up
Application specific but generally you will see 300-400rpm quicker spool up

HP Increase
Application specific but generally you will see 8-10HP increase

Quick Specs
Gaskets Included - Heavy Duty GrimmSpeed Gaskets
Flex Joint - 321 Stainless Steel "Tuned-Bellow"
Tubing Thickness- 14 Gauge Piping Thickness - 33% thicker than most competitors
Pipe to Flange Connection - Hand-welded on both outside/inside of the flange for an extremely strong connection
Flanges - 1/2" 304 Stainless Steel
Optional Ceramic Coating
Increased HP by ~10hp
Reduce Turbo Lag
 
Continually striving for perfection, it's what you can expect from GrimmSpeed™

More Information
Part Number 003001
Brand GrimmSpeed
Type of Part Uppipes
Engine Fitment EJ20, EJ25
Height 5
Width 7
Weight 6.000000
Length 16
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