For Frontier/Xterra/Pathfinder 3.3L V6 Racing Header Exhaust Manifold Stainless
For Frontier/Xterra/Pathfinder 3.3L V6 Racing Header Exhaust Manifold Stainless is a T-304 stainless steel performance header set priced at $98.02. Engineered for increased airflow, it delivers 10-15 hp/torque gains. Ideal for enthusiasts upgrading 1998–2004 Nissan trucks and SUVs seeking improved exhaust efficiency and engine response.
● In stock
Buy at Lab Work Auto →Price and availability may change. Click to see current details on Lab Work Auto.
Key features
- T-304 stainless steel construction
- 6-into-2 piping design for flow efficiency
- 1.50-inch inlet diameter
- Includes 3 O2 sensor bungs
- Direct fit for 3.3L V6 Nissan models
- Gains of 10-15 hp/torque
- Includes hardware and gaskets
Pros
- +Durable T-304 stainless resists rust
- +Noticeable power and torque gains
- +Includes necessary installation hardware
Cons
- −No installation instructions included
- −Professional installation recommended
About For Frontier/Xterra/Pathfinder 3.3L V6 Racing Header Exhaust Manifold Stainless
What is For Frontier/Xterra/Pathfinder 3.3L V6 Racing Header Exhaust Manifold Stainless?
This performance exhaust header set is designed specifically for 1998–2004 Nissan Frontier, Pathfinder, and Xterra models equipped with the 3.3L V6 engine. Constructed from high-grade T-304 stainless steel, it replaces factory exhaust manifolds to reduce backpressure and enhance engine breathing. The 6-into-2 piping design optimizes scavenging for improved power delivery, especially in the mid to high RPM range. At $98.02, it offers an affordable upgrade path for truck and SUV owners focused on performance gains without sacrificing durability.
Key features
- Material — Made from corrosion-resistant T-304 stainless steel for long-term durability.
- Pipe Design — 6-into-2 configuration improves exhaust flow and scavenging efficiency.
- Bore Size — 1.50-inch inlet diameter supports higher airflow for performance tuning.
- O2 Sensor Bungs — Includes three O2 sensor ports to maintain compatibility with factory emissions systems.
- Fitment — Direct fit for 1999–2004 Frontier, 1998–2000 Pathfinder, and 2000–2004 Xterra 3.3L V6 models.
- Power Gains — Advertised to deliver 10–15 horsepower and torque gains instantly.
- Kit Contents — Includes left and right headers with necessary hardware and gaskets as shown.
Who is For Frontier/Xterra/Pathfinder 3.3L V6 Racing Header Exhaust Manifold Stainless for?
This header set is ideal for Nissan truck and SUV owners who want to boost engine performance and exhaust efficiency. It suits DIY mechanics with intermediate to advanced skills, as professional installation is recommended and no instructions are included. It's especially valuable for off-road enthusiasts, tuners, and daily drivers seeking a reliable, long-lasting upgrade over stock cast-iron manifolds.
How does For Frontier/Xterra/Pathfinder 3.3L V6 Racing Header Exhaust Manifold Stainless compare?
Compared to stock exhaust manifolds, this stainless steel header offers superior flow, heat resistance, and weight savings. It outperforms standard polypropylene rugs or basic replacement manifolds in both performance and longevity. While not a full long-tube header system, its 6-2 design strikes a balance between ground clearance and power gains, making it more practical than race-only setups for street-driven vehicles.
Best use cases
- →Performance upgrade for 3.3L V6 trucks
- →Replacing corroded factory manifolds
- →Off-road and towing applications
- →Exhaust system tuning projects
- →Daily drivers seeking better throttle response
Is For Frontier/Xterra/Pathfinder 3.3L V6 Racing Header Exhaust Manifold Stainless right for you?
This header is best for Nissan Frontier, Pathfinder, or Xterra owners with a 3.3L V6 engine seeking a performance exhaust upgrade. Suitable for intermediate to advanced DIYers or those using a professional mechanic. If you're replacing rusted manifolds or tuning for power, this is a cost-effective solution. Consider ceramic-coated headers or full long-tube systems for higher-end builds.
How it compares: Compared to stock manifolds, this stainless header offers better flow, heat resistance, and longevity. It's more durable than mild steel headers and more performance-oriented than standard replacement parts, though not as aggressive as race-only long-tube systems.
More from Lab Work Auto
#63P-81950-00-00 TRIM RELAY For YAMAHA OUTBOARD F150 & 250 Part
$17.80
(4 pcs) For Ford F-150 Bed Interface Plates Standard Tie Down FL3Z9928408AB
$16.82
-6 An X 5/16-24 O Ring Hydroboost Spittier/Return Port Fitting Car Accessories
$8.20
-6AN AN6 Fuel Adapter Fitting to 3/8 Quick Connect LS W/ Clip Female Black GM
$7.91Frequently Asked Questions
What vehicles fit this header set?
▾
This header fits 1999–2004 Nissan Frontier, 1998–2000 Pathfinder, and 2000–2004 Xterra models with the 3.3L V6 engine. It's a direct bolt-on replacement for factory exhaust manifolds.
Does it include O2 sensor bungs?
▾
Yes, the header includes three O2 sensor bungs to maintain compatibility with factory emissions and engine management systems, ensuring smooth integration.
How much horsepower does it add?
▾
The manufacturer claims an instant gain of 10 to 15 horsepower and torque, thanks to improved exhaust flow and reduced backpressure from the 6-into-2 design.
Is installation difficult?
▾
Installation requires intermediate to advanced mechanical skill. Professional installation is recommended, as no instructions are included with the kit.
Can I use this with my stock exhaust?
▾
Yes, this header is designed to connect to stock exhaust systems or aftermarket mid-pipes, making it a versatile upgrade within a broader exhaust modification plan.
How much does For Frontier/Xterra/Pathfinder 3.3L V6 Racing Header Exhaust Manifold Stainless cost?
▾
For Frontier/Xterra/Pathfinder 3.3L V6 Racing Header Exhaust Manifold Stainless is $98.02 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is For Frontier/Xterra/Pathfinder 3.3L V6 Racing Header Exhaust Manifold Stainless in stock at Lab Work Auto?
▾
Yes, For Frontier/Xterra/Pathfinder 3.3L V6 Racing Header Exhaust Manifold Stainless is currently in stock at Lab Work Auto.
Specifications
- SKU
- F8-014086