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Up-Pipes Catalog

GrimmSpeed 38mm EWG Up-Pipe w/ Dump Tube (WRX/STi/FXT/LGT)
GrimmSpeed 38mm External Wastegate Up-Pipe w/ Dump Tube (WRX/STi/FXT/LGT)

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...


$329.99
GrimmSpeed 38mm External Wastegate Up-Pipe w/ Dump Tube (WRX/STi/FXT/LGT)
$329.99
GrimmSpeed 38mm V-band EWG Up-Pipe 3-Bolt Flange (02+ WRX/STi, 04+ FXT)
GrimmSpeed 38mm V-band EWG Up-Pipe 3-Bolt Flange (02+ WRX/STi, 04+ FXT)

Love your Tomei Header but wish you could go with an external wastegate? Wish no more! This GrimmSpeed Externally Gated Up-Pipe has a 3 bolt lower flange to attach beautifully to the...


$359.99
GrimmSpeed 38mm V-band EWG Up-Pipe 3-Bolt Flange (02+ WRX/STi, 04+ FXT)
$359.99
GrimmSpeed 44mm EWG Up-Pipe w/ Dump Tube (WRX/STi/FXT/LGT)
GrimmSpeed 44mm External Wastegate Up-Pipe w/ Dump Tube (WRX/STi/FXT/LGT)

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...


$329.99
GrimmSpeed 44mm External Wastegate Up-Pipe w/ Dump Tube (WRX/STi/FXT/LGT)
$329.99
GrimmSpeed 44mm V-band EWG Up-Pipe 3-Bolt Flange (02+ WRX/STi, 04+ FXT)
GrimmSpeed 44mm V-band EWG Up-Pipe 3-Bolt Flange (02+ WRX/STi, 04+ FXT)

Love your Tomei Header but wish you could go with an external wastegate? Wish no more! This GrimmSpeed Externally Gated Up-Pipe has a 3 bolt lower flange to attach beautifully to the...


$359.99
GrimmSpeed 44mm V-band EWG Up-Pipe 3-Bolt Flange (02+ WRX/STi, 04+ FXT)
$359.99
Grimmspeed Up-Pipe Coated (02+ WRX/STi, 04+ FXT)
Grimmspeed Up-Pipe Coated (02+ WRX/STi, 04+ FXT)

The entire 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...


$244.99
Grimmspeed Up-Pipe Coated (02+ WRX/STi, 04+ FXT)
$244.99