Injen 17-22 Ford F250/F/350/F-450/F-550 V8-6.7L Turbo Diesel Wrnkl Blk Intercooler Cold Side Piping 2005-infiniti-fx35-esi1304676 This filter's inverted top makes

This filter's inverted top makes for more surface area

clear sight window is used for a hassle-free filter inspection

The stock piping in Volkswagen

2-1/2" to 1-3/4" mandrel bent

Injen 17-22 Ford F250/F/350/F-450/F-550 V8-6.7L Turbo Diesel Wrnkl Blk Intercooler Cold Side Piping 2005-infiniti-fx35-esi1304676 This filter's inverted top makesThis cold side charge pipe is an upgrade over the factory unit and is manufactured from oversized mandrel bent 6061 aluminum and every bend and TIG weld is completed by hand at the Injen Technology headquarters in Pomona, California. Having an internal diameter of 3. 25in, this charge pipe is able to reduce restriction and quickly transfer cool air from the intercooler directly into the engine. The cold side pipe also aides in balancing airflow from