Pro Series Muffler - 3.00 Center In / 3.50 Center Turn Down Out -Moderate Sound GM Avalanche/Escalade/Sierra/Sierra Limited/Silverado/Silverado LD Applicable core charge of $300

Applicable core charge of $300 to be added at check out

Hot Tranmission oil has to be Cooled to keep you on the track

SILICONE Part Number: KF-1058D

Measured Flow: 730 CFM @ 7" H20

our Strut Kit is backed by a 3-year manufacturer's warranty

Pro Series Muffler - 3.00 Center In / 3.50 Center Turn Down Out -Moderate Sound GM Avalanche/Escalade/Sierra/Sierra Limited/Silverado/Silverado LD Applicable core charge of $300The 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.