▁were ▁alter ed ▁slightly ▁internally ▁to ▁adjust ▁for ▁the ▁increase ▁in ▁power ▁needed ▁to ▁adjust ▁the ▁new ▁style ▁head light s . ▁The ▁bon net ▁became ▁a ▁l ighter ▁al umin um ▁al loy , ▁similar ▁to ▁that ▁available ▁on ▁the ▁ST I ' s ▁at ▁the ▁time . ▁Com pression ▁and ▁timing ▁changed ▁in ▁order ▁to ▁further ▁reduce ▁the ▁effect ▁of ▁loss ▁of ▁boost ▁during ▁the ▁switch ▁over ▁from ▁the ▁primary ▁to ▁secondary ▁stages . ▁The ▁EC U ▁also ▁got ▁an ▁upgrade , ▁it ▁is ▁now ▁tun able ▁by ▁the ▁manufact urer ▁or ▁third ▁party ▁tun ing ▁work sh ops . ▁Add itional ▁optional ▁ex tras ▁were ▁offered ▁upon ▁purchase ▁including ▁but ▁not ▁limited ▁to ; ▁a ▁new ▁body ▁k it , ▁head ▁light ▁surr ounds , ▁and ▁ 4 - pot ▁bra kes ▁– ▁the ▁stock ▁whe els ▁were ▁designed ▁to ▁accommod ate ▁this ▁upgrade . ▁The ▁D - Type ▁Leg acy ▁is ▁Sub aru ' s ▁best ▁shot ▁at ▁the ▁sequ ential ▁tw in ▁tur bo ▁engine ▁besides ▁the ▁ST I ▁revision . ▁ ▁Leg acy ▁W agon ▁Av ignon ▁Con cept ▁( 2 0 0 1 ) ▁It ▁was ▁a ▁concept ▁car ▁named ▁after ▁an ▁area ▁in ▁Southern ▁France , ▁based ▁on ▁the ▁w agon ▁body . ▁It ▁includes ▁c ob alt ▁blue ▁body , ▁naturally ▁asp ir ated ▁ 2 . 5 ▁L ▁engine , ▁a ▁unique ▁body ▁k it , ▁whe els ▁and ▁interior ▁acc ents , ▁such ▁as ▁cl ay - color ed ▁seats ▁and ▁a