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Home > Subaru > Impreza > 02-07 2.5i,RS,WRX & STi (GD/GG) > 2002-2003 WRX (GD/GG) > Exhaust > Up Pipe

GrimmSpeed External Wastegate Up Pipe w/ Dump Tube 3-Bolt Inlet, 44/45mm V-Band WRX/STI/LGT/FXT

Part Number 007079
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GrimmSpeed External Wastegate Up Pipe w/ Dump Tube 3-Bolt Inlet, 44/45mm V-Band WRX/STI/LGT/FXT
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$360.00
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Description
An External Wastegate (EWG) allows exhaust gases to be diverted prior to entering the turbo. This facilitates lower backpressure at the turbine, allowing for increased boost control, faster spool-up and greater top-end power. The GrimmSpeed EWG Up Pipe has a larger internal diameter than your stock unit, allowing a higher volume of exhaust gas to reach your turbo more efficiently. This helps maintain boost levels further into your RPM range. Depending on your specific setup, these improvements can net a 10-40 HP increase. An internal wastegate can create a larger amount of turbulence in exhaust flow through your turbine housing; moving to an external wastegate eliminates much of that turbulence and isolates the turbo from what little turbulence still exists as your wastegate opens and closes.

Quick Specs

3-Bolt Inlet Flange fits most 3-bolt headers!

321 Stainless Steel Interlocking Flex Section - Reduces fatigue and facilitates thermal expansion

Contoured EWG Side Outlet - CNC bent and laser cut, this EWG exit allows exhaust gas to exit with maximum efficiency

2.0mm Tube Thickness - 33% Thicker than the competition

1/2" Stainless Steel CNC Flanges - Fully machined, these beefy flanges offer perfect fit and transition every time

10+ WHP Gain - Ask your tuner what you can expect based on your particular setup and goals!

1.85" Inner diameter - Supports 600whp+

FARO Arm Designed - Allows more precise design and a stronger, better fitting product

Does not include wastegate bracket SOLD SEPARATELY.

Fitment:
WRX STi 2004-2018
WRX 2002-2014
FXT 2004-2009
LGT 2005-2009


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