Description
Product Overview
Flowtech presents the 02‑13 shorty headers designed specifically for Chevrolet and GMC V8 trucks. Constructed from heavy‑duty 16‑gauge mandrel‑bent tubing, these headers ensure consistent diameter for optimal exhaust velocity. The OE‑style 2‑1/2″ ball‑and‑socket collector connects seamlessly to the factory exhaust head pipe, eliminating the need for cutting or welding. Each header features a TIG‑welded, machined 3/8″ flange for a leak‑free seal and maximum strength. Finished in a sleek black machined exterior, the package measures 22 x 16 x 7 inches and weighs 16 pounds, offering a compact yet powerful upgrade.
![[Product front view showing all components]](https://www.hanex.store/wp-content/uploads/2026/06/97807bc2dc394dccaefd0a3ef20da54f.jpg)
Usage
These shorty headers are ideal for street performance enthusiasts, off‑road adventurers, and track day participants seeking a noticeable boost in throttle response and horsepower. Compatible with stock or mild‑performance exhaust systems, they fit directly onto the factory head pipe, making installation straightforward for both professional shops and DIY owners. Whether cruising city streets or tackling rugged terrain, the Flowtech headers deliver smoother exhaust flow and a deeper tone without compromising reliability.
Why Choose Us
Flowtech combines decades of exhaust engineering expertise with rigorous quality control. Each header undergoes precision machining and TIG welding to guarantee a leak‑free, durable assembly. Our 16‑gauge mandrel‑bent tubing resists corrosion and deformation, ensuring long‑term performance. Backed by a responsive customer support team, we offer technical assistance and a hassle‑free warranty, giving you confidence in every purchase.
Key Features
- Mandrel‑bent 16‑gauge tubing provides smoother flow and increased exhaust velocity for better power gains.
- Heavy‑duty construction resists dents and corrosion, extending the life of your exhaust system.
- OE‑style 2‑1/2″ ball‑and‑socket collector fits factory head pipe without cutting or welding.
- TIG‑welded, machined 3/8″ flange ensures a leak‑free seal and maximum structural strength.
- Dedicated after‑sales support and warranty for peace of mind.
FAQ
Do these headers require any cutting or welding?
No. The ball‑and‑socket collector is designed to bolt directly onto the factory exhaust head pipe, allowing a bolt‑on installation.
Will the shorty design affect my truck’s ground clearance?
The compact 22‑inch length is engineered to maintain adequate clearance for most stock suspensions, but verify clearance for heavily lifted setups.
Are these headers compatible with aftermarket mufflers?
Yes, the 1‑5/8″ primary tube diameter matches common aftermarket muffler connections, providing flexibility for custom exhaust builds.
What is the warranty coverage?
Flowtech offers a limited one‑year warranty covering manufacturing defects and material failures.
Can I install these headers myself?
Installation is straightforward with basic hand tools; however, we recommend torque specifications be followed for the flange bolts.




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