Gen 1 3S-GTE 89-91 & MR2 91-92 Gen 2 3S-GTE PNP for EMU CLASSIC ECU:EMU or EMU Classic Aggressive Sound:This system eliminates all

Aggressive Sound:This system eliminates all factory mufflers

your downpipe

while at the same time increasing the overall thermal capacity of the system

2 seconds which is a significant improvement at such speeds

away from the shock tower and you can even run it WITH a spool valve

Gen 1 3S-GTE 89-91 & MR2 91-92 Gen 2 3S-GTE PNP for EMU CLASSIC ECU:EMU or EMU Classic Aggressive Sound:This system eliminates allECUMASTER EMU Plug and Play for the 91 MR2 is a complete plug in standalone ECU for 1991 Toyota MR2's with the 3SGTE and manual transmission. ECUMASTER Plug and Play adapter for the 3SGTE MR2 allows for plug and play installation of the EMU or EMU Classic. All ECUs are sold separately. Works with 1989 1992 Celica GT Four 3S GTE 1989 1992 MR2 3S GTE What's in the box: Gen2 MR2 3SGTE Plug and Play Adapter Installation instructions BASE MAP MANUAL