Pro Series Muffler - 3.50 Center In / 3.50 Center Turn Down Out -Moderate Sound " GM Lifetime Warranty

Lifetime Warranty

Replaces OEM Part number: 68444858AA

Calibrated boost tube orifice improves turbo performance

Backed by Rough Country: Our HD Forged Tie Rod Kit is protected by Rough Country's industry-leading warranty

Utilizes Rare-Earth magnets for a long lasting guaranteed fitment Price includes applicable core fee

Pro Series Muffler - 3.50 Center In / 3.50 Center Turn Down Out -Moderate Sound " GM Lifetime WarrantyThe Pro Series mufflers work on all applications ranging from street trucks, diesel pullers and RV pushers to every class of racing on dirt or asphalt. During development, at the dyno and track, the Pro Series mufflers consistently delivered performance that is equal to or surpasses open pipe systems, while dramatically reducing sound levels across the RPM range.