Description
Unlock greater performance and aggressive exhaust tone with the Stainless Works Long Tube Headers with High-Flow Catalytic Converters, specifically engineered for 2014-2018 Chevrolet Silverado and GMC Sierra 1500 trucks equipped with the 5.3L V8 engine. Designed to factory connect with your stock exhaust system, this header kit allows for significant gains in horsepower and torque while retaining the OEM layout for a seamless installation.
These headers feature 1-7/8" primary tubes and 3" lead pipes made from corrosion-resistant 304 stainless steel, ensuring long-term durability under demanding conditions. The high-flow catalytic converters enhance exhaust flow without compromising emissions compliance (except in California), making it an excellent upgrade for enthusiasts seeking street and performance improvements.
The Factory Connect system mates directly to the stock exhaust, eliminating the need for extensive modifications. The included Y-pipe configuration improves scavenging and overall exhaust efficiency, delivering an enhanced, deeper exhaust note. Every component is precision-engineered in the USA and backed by a limited lifetime warranty for peace of mind.
Key Features:
-
Long Tube Header Design – Increases exhaust flow and performance
-
1-7/8" Primary Tubes – Optimized for high-output 5.3L V8 engines
-
3" Lead Pipes and Collector – Improves mid-range torque and top-end power
-
High-Flow Catalytic Converters – Enhances exhaust flow while retaining emissions functionality
-
Factory Connect – Integrates with stock exhaust systems without cutting or welding
-
304 Stainless Steel Construction – Corrosion-resistant and built for long-term durability
-
Y-Pipe Crossover – Balances exhaust pulses for better flow and tone
-
Made in the USA – Engineered with quality craftsmanship
-
No AFM or air tubes – Clean and simplified design
-
Mill Finish – Raw stainless appearance for a rugged performance look
Fitment:
-
2014-2017 Chevrolet Silverado 1500 High Country 5.3L V8
-
2015-2017 Chevrolet Silverado 1500 LS 5.3L V8
-
2014-2017 Chevrolet Silverado 1500 LT 5.3L V8
-
2014-2017 Chevrolet Silverado 1500 LTZ 5.3L V8
-
2015-2017 Chevrolet Silverado 1500 SSV 5.3L V8
-
2014-2017 Chevrolet Silverado 1500 WT 5.3L V8
-
2014-2017 GMC Sierra 1500 Base 5.3L V8
-
2014-2017 GMC Sierra 1500 Denali 5.3L V8
-
2014-2017 GMC Sierra 1500 SLE 5.3L V8
-
2014-2017 GMC Sierra 1500 SLT 5.3L V8
(Note: Fits Double Cab w/ Standard Box and Crew Cab w/ Short or Standard Box. Will not fit 6.2L V8 models.)
Elevate your Silverado or Sierra’s performance and exhaust tone with the Stainless Works 5.3L Header High-Flow Cats Kit – Factory Connect, delivering power, sound, and durability with a perfect fit.
