STAINLESS WORKS: 2020-21 Chevrolet Silverado HD 6.6L Legend Catback Exhaust (Black Tips) supercharger cooler Flow Increase = +13

Flow Increase = +13

2L Gas 1972-1973 Dodge Polara V8 7

NOTE 2: Stock fuel system and factory PCM is ok for 13psi on stock engines

We route the OEM PCV to the Catch-Can unit

this "oil free" OE replacement filter outflows the stock paper filter providing performance and protection

STAINLESS WORKS: 2020-21 Chevrolet Silverado HD 6.6L Legend Catback Exhaust (Black Tips) supercharger cooler Flow Increase = +13Upgrade the exhaust on your 2020 21 Chevy Silverado or GMC Sierra HD with this catback exhaust from Stainless Works. We designed this Legend system with the daily driver in mind, improved tone with restrained loudness. A system that still gets the blood flowing, but allows for a comfortable ride. This 3" exhaust features dual chambered mufflers with 4" matte black slash cut tips. Use the included Y pipe for an bolt on install to the factory manifolds