The new TRD Sequoia cat-back exhaust system boosts engine performance with a peak gain of 9 additional horsepower, offering a 3-4% power increase over stock.  The cat-back system also enhances the V8 with a deep, throaty sound.  Constructed of durable stainless steel and finished with a TRD-etched, polished oval tip, the TRD Sequoia exhaust system is bolt-on, fully warranted and smog legal.