This is as a result of reducing the temperature of the air entering the engine creating a denser charge

sono resistenti e duraturi nel tempo

HKS HI-POWER TI-TIP MUFFLER IMPREZA VAF(EJ25) VAG(FA20) WRX STI

K-Tuned Idle Air Assist Delete Kit

Manufacturer Code RDV0508FER430

SUBARU IMPREZA STI WRX 01-07 CENTRE PIPE CON NO MUFFLER | M2 MOTORSPORT 300ZX Z32 (89-00) This is as a result!!<MANUFACTURER : M2 Motorsport UNIT QUANTITY : 1 SIZE : 60. 5mm SPECIFICATION : De CAT Centre Section COLOUR : Polished MATERIAL : 304 Stainless Steel MODEL YEAR : Impreza 2001 2007 Fully polished mid pipe without resontor fits Impreza turbo 2001 2007 car and wagon turbo models. >!!