Mishimoto 02-05 Subaru WRX Red Silicone Intercooler Hoses - MMHOSE-SUB-INTRD fits_1997-2001`Infiniti`Q45 R231 SL - All models

R231 SL - All models from 2011 onwards

Note: Only affects XM signals—all other bands remain unaffected

It'suffered from copious carbon build up due to engine blow-by

The result is sharper throttle response

Mishimoto 02-05 Subaru WRX Red Silicone Intercooler Hoses - MMHOSE-SUB-INTRD fits_1997-2001`Infiniti`Q45 R231 SL - All modelsMishimoto has developed a silicone intercooler hose kit for the 2001 2005 Subaru WRX. Mishimoto Subaru WRX Silicone Intercooler Hoses combine high grade silicone with heat resistant embedded fibers to handle high temperatures and additional boost pressure. Each hose has a smooth interior surface to deliver increased airflow to the WRX top mount intercooler. Mishimoto uses four hand wrapped layers of silicone fortified with heat resistant fibers in the