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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Flow Increase = +109%
American Racing Headers: 2012-2018 Infiniti QX56 / QX80 V8 5
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ease of maintenance and show winning appearance
95-durometer
AFE: Twisted Steel Down-Pipe (Street Series) Subaru WRX STI 15-19 H4-2.5L (t) Siemens Flow Increase = +109%aFe power introduces an all new Twisted Steel "Street" Down Pipe for the Subaru WRX STI 2015 2019 with H4 2. 5L engine. This down pipe is designed using a 400 CPSI catalytic converter and mandrel bent, 304 stainless steel tubing for optimum flow resulting in added horsepower and torque. The down pipe is 100% hand TIG welded and uses a unique fabricated bellmouth design that increases exhaust velocity and eliminates low pressure drops which helps to
