Description
This 3.5″ into dual 2.75″ system features the classic S-Type sound level with no drone inside the vehicle. Replace the small muffler behind the primary muffler in this S-Type system with Polyphonic Harmonizer 60680 to attain the ATAK sound level (louder than S-Type).
Product details
Optional true Dual Cat-Back system available. This system features dual 3.5″ round carbon fibre tips with bright centres on each tail pipe. Give your Silverado or Sierra the sound and power it deserves bolt on a Borla.
Key features
- Polyphonic Harmonizer technology layers several exhaust notes into one rich, full-bodied sound
- Patented straight-through, multi-core design to release hidden horsepower
- Faster exhaust flow for more power and the distinctive Borla sound
- Built from T-304 stainless steel, tougher and longer lasting than 409 steel
- Smooth mandrel bends and CNC manufacturing for full flow and an accurate fit
- Backed by the Borla Million-Mile Warranty
Fitment
- Except ZR2 & AT4X models
- Factory split rear exit vehicles only
- Add adapter 60706 for Crew Cab with Standard Bed (6′ 7″) 157″ wheelbase vehicles
- Installation requires removal of the factory Valance tips
- 2019-2023 Chevrolet Silverado 1500/ GMC Sierra 1500 (except ZR2 & AT4X) 6.2L V8 Automatic Transmission 2 & 4 Wheel Drive Extended Cab with Standard Bed (6′ 7″) 147.4″ Wheelbase/ Crew Cab with Short Bed (5′ 9″) 147.4″ Wheelbase
- Part number: 140774CF
Please note: Other tip finishes and versions of this system are also available. Contact us if you need a different option.
Supplied or fitted by Motorsport and Performance
We supply and fit Borla exhausts at our Leeds workshop. Want it done properly? Get in touch and we’ll book your car in, or help you check fitment before you order.
