PLM Power Driven Subaru 2-Bolt Up Pipe for your WRX STI FXT LGT OBXT - No modifications are needed as it is a direct bolt-on unit to the OEM header or turbo.
Features:
Includes gaskets & all necessary hardware
304 Stainless steel
One year warranty
High quality Flex Joint
2.0mm piping thickness (vs. 1.5mm other brands)
Flange is 0.5" thick
18 gauge , 304 stainless steel
Hand TIG welded
Minimal internal steps for maximum flow
1.95" inlet and 1.95 outlet
Precision CNC mandrel bend
10-40+whp gain
Reduce turbo lag
Flex joint that is not located at the bend which adds life expectancy to the flex section