007079 - GrimmSpeed External Wastegate UpPipe


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Part #: 007079
Notes: External Wastegate 3-Bolt Inlet UpPipe
For 44/45mm Vband WG
Incl Gaskets
Your Price: $345.00

This Item Also Available In

Part Number Price Notes & Specs
013001 $335.00 Notes External Wastegate UpPipe
For 44/45mm Vband WG
Incl Gaskets
007080 $385.00 Notes External Wastegate 3-Bolt Inlet UpPipe
For 44/45mm Vband WG
Incl Gaskets
w/ Ceramic Coating
Coating Color Black
007077 $375.00 Notes External Wastegate 3-Bolt Inlet UpPipe
For 38/40mm Vband WG
Incl Gaskets
w/ Ceramic Coating
Coating Color Black
007067 $335.00 Notes External Wastegate 3-Bolt Inlet UpPipe
For 38/40mm Vband WG
Incl Gaskets

All Fitments

SAAB
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2005 - 2006 9-2X AERO H4 2.0
2.5
T EJ205
EJ255
ALL
SUBARU
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2004 - 2006 BAJA TURBO H4 2.5 T EJ255 ALL
2004 - 2013 FORESTER SPORTS 2.5 XT
XT
XT LIMITED
XT PREMIUM
ALL 2.5 T EJ255 ALL
2002 - 2014 IMPREZA 2.5 GT
WRX
WRX LIMITED
WRX PREMIUM
WRX STI
WRX STI LIMITED
WRX STI SPECIAL EDITION
WRX TR
H4 2.0
2.5
T EJ205
EJ255
EJ257
ALL
2005 - 2009 LEGACY GT
GT LIMITED
GT SPEC.B
H4 2.5 T ALL ALL
2005 - 2009 OUTBACK BASE ALL ALL ALL EJ255 ALL

Product Description

An External Wastegate (EWG) allows exhaust gases to be diverted prior to

entering the turbo; creating quicker turbo spool. The GrimmSpeed™ EWG has a larger diameter than a stock internal wastegate; this allows the exhaust gas to be released faster, which improves boost control, maintains maximum boost longer in the rpm range. All of these together will give you a 10-40 HP INCREASE. Moving the wastegate out of the turbo relieves the turbo from the massive amounts of turbulence that the stock internal wastegate creates.

The entire EWG Up-Pipe is made of 304 SS(flanges, flex, tubing) and has a pipe-wall thickness of 14 Gauge, this is the most “heavy-duty” pipe you will find. Many other pipes use cheap thin steel and are marketed as “super light weight”, not us. The inlet size is 1.92” and the pipe tapers down to 1.72” which acts as a funnel as it moves into the turbo allowing for the smoothest transition and best air-flow quality. The one of a kind Triple Layer Flex Joint is not located in the bend, which adds to the life expectancy of the flex section. Our outlet size is a perfect match to the most common stock location turbos allowing for a smooth transition into the turbo.

Also available with the EWG Up-Pipe package, a bracket to hold the stock internal wastegate shut. This bracket is helpful because the turbo door does not need to be welded shut, decreasing the chance for leaks and allowing for easy removal if necessary. Availabe for many popular turbos, check the box below if you would like to add one to your order.

The GrimmSpeed™ EWG Up-Pipe Kit fits more downpipes than any other EWG Up-Pipe on the market. Even fits large TurboXS 4” Bellmouth Downpipe!!

Features

  • TRIPLE LAYER Quality Flex Joint – Gives you extra durability compared to competitors single and double layer flex joints.
  • Flow through Flex – There are no big steps in the flow path of our flex joint. Our flex is not located on a bend so there is very minimal flow loss(if any) through the flex.
  • Curved EWG Side Outlet – Our ewg up pipes come with an angled side outlet which allows us to obtain optimal flow to the external wastegate.
  • 2.0mm Piping Thickness – almost all pipes on the market use a 1.5mm thick piping wall, not us. We use a 2mm thick piping wall(33% thicker than all of our competition!)
  • Pipe to Flange Connection – Much smoother connection. Piping is ported flush with flange so there is no step into the pipe.
  • 1.92” Inlet = Perfect match to gasket allowing a little room for gasket movement(anything bigger, ie 2”, will almost be guaranteed to put the gasket in the flow which is horrible for flow)
  • 1.75” Outlet = Narrowing down from 1.92 to 1.75 acts as a funnel. Also very close match to most common turbos so you have much less step going into the turbo(unlike a straight through 2” which creates a huge step going into most common turbos vf’s, tdo4s, etc)
  • Massive 304SS flanges
  • 10+whp gain
  • Minimal internal steps for maximum flow
  • Complete stainless steel construction(pipe, flex section, flanges)
  • Optional ceramic coating
  • Flex joint that is NOT located in the bend which adds life expectancy to the flex section. many other up pipes have a flex right in a sharp bend so all the exhaust/turbulence is hitting up against it.
  • Reduce turbo lag

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