The Walker Exhaust 18171 SoundFX Universal Exhaust Muffler is engineered to enhance the performance and longevity of your vehicle's exhaust system. Constructed with 100% aluminized steel, this muffler offers superior resistance to corrosion compared to low-carbon steel alternatives, ensuring a longer service life. The internal drainage system effectively reduces moisture accumulation, further inhibiting corrosion and extending the muffler's durability. Designed with internal partitions and mechanically joined tubes, the muffler accommodates expansion and contraction during temperature fluctuations, minimizing distortion and maintaining structural integrity. Spun-locked heads and OE-style spot welds provide additional stability, contributing to a longer service life. The muffler's customizable design features expandable bushings for easy fitment, though installation may require specialized fabrication and/or welding. Louvered tubes are incorporated to reduce radiated noise, delivering a factory-style sound quality that enhances the driving experience. Designed and tested to extend muffler life, the Walker Exhaust 18171 SoundFX Universal Exhaust Muffler is a reliable choice for those seeking durability and performance in their exhaust system.