response power band improvement and torque more torque-its tested edelbrock sdttm ... impala ss pontiac gto year 86-92 83-92 93-95 98-02 94-96 2004 year 1986 87-93 86-93 ... 2-1/2 stock i-pipe single catalytic converter dual catalytic converters dual exhaust ... 5646 5645 5646 5647 5649 late-model mustangs application mustang gt e mustang gt ... mustang lx e mustang gt e mustang gt e cat-back footnotes b pick-ups with ... bed std ext cab year 2003-06 88-94 93-95 99-06 96-06 1990 2001-06 2001-06 year ... 1994-97 year 87-96 engine 6.0l 5.7l 5.7l 4.8/5.3l 4.8/5.3l ...
cougar cyclone montego oldsmobile 78-87 cutlass 78-87 cutlass 65-75 442 1-1/2 x ... stock exhaust to retain catalytic converter system 4 not legal for use on pollution ... style transmission only 90 catalytic converter compatible y-pipe available separately ... 49100flt 49100flt 49100flt buick 78-87 afterburner headers innovative turbo ... s vehicles increases both horsepower torque primary collector is formed from 304 ... chevrolet 67-81 camaro 283-400 68-87 chevelle 283-400 70-88 monte carlo 283- ... 400 oldsmobile 78-87 cutlass 283-400 283-400 pontiac 78-87 ... grand prix pro mustang series shorty headers flowtech s pro ... application shorty headers 86-93 unequal length 86-93 unequal length 94- ... unequal length 96-01 unequal length 86-93 equal length engine 5.0l 5.0l 5.0l 4.6l ...