MRT Stainless Steel "MaxFlow" H-pipe available for the 99-04 Mustangs from Mustang Racing Technologies, the only high performance mustang h-pipe exhaust system on the aftermarket with that deep exhaust sound we love!
The 99-04 mustang h-pipe is available with or without cats for off-road use only. Fits all 99-04 Mustang GT's
All MRT mustang performance h-pipe systems are built from High grade Stainless steel using a computerized CNC bender for precision fitment and stainless rod welds for guaranteed years of worry free performance. All necessary hardware is provided, plus a new OEM Manifold flange gasket!
2004 Mustangs require two O2 extensions