Borla S-Type Cat-Back Exhaust System with 4-Inch Polished Tips (140437) - 2011-2013 Silverado & Sierra 1500 6.2L V8
Wake up the high-performance spirit of your truck with the high-impact Borla S-Type Cat-Back Exhaust System. Custom-engineered for 2011 to 2013 Chevrolet Silverado 1500, GMC Sierra 1500, and GMC Sierra Denali 1500 models, this premium full-length exhaust upgrade introduces Borla's legendary acoustic profile: the classic S-Type sound level. Formulated explicitly for driving enthusiasts and truck purists who crave a highly aggressive, sport-tuned exhaust note under acceleration, this system is calibrated to give the high-output 6.2L V8 engine a bold, crisp, and high-impact growl. This configuration delivers a commanding exterior acoustic presence while relying on advanced straight-through internals backed by Borla's official No-Drone Guarantee to keep the cabin completely comfortable and drone-free during highway cruising, daily commuting, or heavy towing.
The internal engineering of the Borla 140437 targets key factory flow restrictions by incorporating an upgraded high-efficiency performance layout featuring a massive single 3.5-inch diameter main pipe configuration into the muffler that transitions smoothly into dual 2.25-inch exit tailpipes. This performance architecture utilizes ultra-smooth mandrel bends and a straight-through multi-core configuration that maximizes exhaust velocity to unlock hidden horsepower, sharper throttle response, and enhanced fuel economy across the entire powerband. Designed to route flawlessly along the undercarriage, it leaves plenty of extra flow capacity for additional aftermarket performance modifications down the road. Built completely from premium-grade, aircraft-quality T-304 austenitic stainless steel, this highly durable cat-back assembly defends permanently against structural degradation, intense under-car heat cycling, and severe corrosion. The spent exhaust gases exit through a distinctive truck single split rear configuration featuring dual 4-inch round, rolled edge angle-cut bright chrome polished T-304 stainless steel tips on each tailpipe. Precision CNC-manufactured for an accurate line-to-line bolt-on fitment, this system utilizes all factory mounting positions and is backed by Borla’s legendary lifetime Million-Mile Warranty.
Chassis & Configuration Notes: This cat-back system is engineered specifically for the 2-Wheel Drive (2WD) and 4-Wheel Drive (4WD) automatic transmission configurations of the GMT900 platform truck platform on a 143.5-inch wheelbase out of the box. It fits two standard configurations: 4-door Crew Cab models equipped with a 5-foot 9-inch Short Bed, and 4-door Extended Cab models equipped with a 6-foot 7-inch Standard Bed. Please note that this system is formulated strictly for the 2011 to 2013 design parameters where original equipment hanger locations and floor pan routing match this calibrated dual assembly.
Features
- Classic S-Type Acoustic Profile: Delivers a deep, loud, and throaty muscle-truck rumble under load with a highly controlled cabin presence
- High-Flow 3.5-Inch into Dual 2.25-Inch Layout: Massive mandrel-bent performance piping maximizes exhaust gas velocity and clearing capacity for high-displacement V8 engines
- Patented Multi-Core Tech: High-efficiency straight-through internal geometry completely removes restrictive factory flow boundaries
- Borla No-Drone Guarantee: Advanced acoustic engineering ensures an upgraded exterior note with absolute zero cab resonance or highway humming
- Constructed completely from premium-grade T-304 austenitic stainless steel for permanent structural integrity and ultimate rust resistance
- Classic Truck Styling: Finished with eye-catching dual 4-inch round, rolled edge angle-cut bright chrome polished T-304 stainless steel tips
- Truck Single Split Rear Exit: Tailpipes route cleanly under each side of the rear bumper for a balanced, high-performance stance
- True Bolt-On Architecture: Precision computer-numerical control (CNC) manufacturing ensures an accurate, line-to-line fitment
- Backed by Borla's unmatched, industry-leading written Million-Mile Warranty
Detailed Vehicle Fitment Breakdown
Compatible Model Years:
This performance exhaust system is compatible with the following individual model years under the specific body, bed, and engine restrictions detailed below:
- 2011 Chevrolet Silverado 1500, GMC Sierra 1500 & GMC Sierra Denali 1500
- 2012 Chevrolet Silverado 1500, GMC Sierra 1500 & GMC Sierra Denali 1500
- 2013 Chevrolet Silverado 1500, GMC Sierra 1500 & GMC Sierra Denali 1500
Silverado, Sierra & Denali Cab, Bed & Wheelbase Compatibility Details:
Fits the 2WD/4WD trucks listed above across these exact structural layouts on a 143.5-inch wheelbase:
- Engine: High-Output 6.2L V8 Gas Only
- Crew Cab / 5'9" Short Bed: Fits directly out of the box (143.5" Wheelbase)
- Extended Cab / 6'7" Standard Bed: Fits directly out of the box (143.5" Wheelbase)
- Transmission: Supported automatic configurations
Important Application & Compatibility Notes:
- **Full Cat-Back Assembly:** Replaces the restrictive factory mid-section and rear muffler with upgraded, high-flowing mandrel-bent piping that splits out to dual rear exits.
- **Premium Materials:** Built entirely with authentic T-304 stainless steel to deliver superior rust resistance over lower-grade T-400 series choices.
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
