Muffler, SoundFX, 1 3/4 in. Inlet/1 7/8 in. Outlet, Steel, Aluminized, Saturn, SC, SL, SW Series, Each INHIBITS CORROSION -- Aluminized-steel construction and internal drainage system helps inhibit corrosion BUILT TO LAST -- Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life Factory Sound Muffler Walker SoundFX 18479 Direct Fit Exhaust Muffler 1 75 Quot Walker Soundfx Muffler GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes FACTORY SOUND -- Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX® direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.