GrimmSpeed
GrimmSpeed Up Pipe Subaru Impreza WRX STI Forester XT Legacy GT 2004-2021 GRM3001
Regular price
$279.00
Regular price
Sale price
$279.00
GrimmSpeed's Up Pipe is precision-engineered for Subaru EJ-Series turbo engines, maximizing exhaust flow and reducing turbo lag. Crafted from heavy-duty 14-gauge 304 stainless steel tubing with 1/2-inch 304 stainless steel flanges and a 321 stainless steel flex joint, it delivers a leak-free fit and superior durability.
Flow bench tested at 292.6 CFM, this up pipe outperforms OEM options and provides a 300-400 RPM quicker spool-up time for more immediate power.
| Flex Joint Material | 321 Stainless Steel with interlocking liner |
| Tubing Material | 14 Gauge 304 Stainless Steel |
| Flange Material | 1/2 Inch 304 Stainless Steel |
| Flow at 28 Inch WC | 292.6 CFM |
| Spool-up Improvement | 300-400 RPM |
| Fitment | Subaru Impreza WRX/STI 2004-2021, Forester XT 2006-2008, Baja XT 2007-2008, Legacy GT 2007-2009, Outback XT 2007-2009 |