Which is more important: great performance or great sound? MagnaFlow settles the debate by giving you both! Using decades of experience, extensive research, and field testing, MagnaFlow develops and manufactures durable steel mufflers tuned to provide the proper amount of backpressure, plus a deep, resonance-free tone. MagnaFlow is so confident in these mufflers, each is guaranteed for life! We also carry MagnaFlow’s entire line of performance tubing, tips, hardware, catalytic converters, and complete exhaust systems.