2020 GMC Sierra 1500 Muffler

Replace the Polyphonic Harmonizer behind the primary muffler in the BORLA® ATAK® system with muffler 60679 to attain the S-Type sound level (quieter than ATAK®). Built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performanc...

The MagnaFlow D-Fit Performance Exhaust Muffler Replacement Kit Without Muffler 19476 19476 replaces the restrictive factory muffler of your Truck with fast-flowing mandrel bent 2.75in. tubing, while maintaining the OEM piping and tailpipe. Exhaust Muffler kit 19476 features a direct-fit, easy-to-in...

The MagnaFlow D-Fit Performance Exhaust Muffler Replacement Kit Without Muffler 19491 replaces the restrictive factory muffler of your Truck with fast-flowing mandrel bent 3.5in. tubing, while maintaining the OEM piping and tailpipe. Exhaust Muffler kit 19491 features a direct-fit, easy-to-install d...

The MagnaFlow Chevrolet Silverado 1500/GMC Sierra 1500 D-Fit Muffler Replacement with Muffler Performance Exhaust System #19533 enhances your rig with dyno-proven performance while replacing your truck's OEM mufflers. The clamp-on inlet, clamp-on outlet design facilitates easy installation. #19533 f...

The MagnaFlow D-Fit Performance Exhaust Muffler Replacement Kit Without Muffler 19534 replaces the restrictive factory muffler of your Truck with fast-flowing mandrel bent 4in. tubing, while maintaining the OEM piping and tailpipe. Exhaust Muffler kit 19534 features a direct-fit, easy-to-install des...