Description
Fitment:
- 2003-2006 Nissan 350Z (3.5L VQ35DE)
Note: Also fits Infiniti G35, See full compatibility here
Specifications:
Brand Name: FLASHARK
Certificate: ISO9001:2000
Application: Automobile Exhaust Header
Material: Stainless Steel
Surface: Mirror Polish
Model: EH28975
Primary Runner: 1.75"
Collector: 2.1"
Inlet: 1.4*35.56mm
Outlet: 2.4*60.96mm
Delivery Time: 3-5 business days.
Warranty: 270 days
Exhaust Header VS Manifold, which is the better choice?
The structural differences between exhaust headers and manifolds are the material and size. From the material, exhaust headers are made of lighter, thinner steel, while exhaust manifolds are made of thick iron. Exhaust headers are also longer than exhaust manifolds. When in use, exhaust manifolds create back pressure, which lowers performance. Because each cylinder of the engine is given its own tube, however, headers eliminate this problem; thus, allowing the gases to exit without the creation of back pressure. Therefore, exhaust headers are a BETTER choice than an exhaust manifold.
Replacing or upgrading your exhaust header is necessary for both engine performance and sound. Whether on or off the track, exhaust headers provide more horsepower and improved exhaust sound. FLASHARK offers many products to help you create your own custom engine headers. It's really easy and convenient to use: direct bolt-on, no modification needed.
Often, after purchasing the Exhaust Header for 2003-2007 Nissan 350Z/G35/Z33 V6 3.5L VQ35DE, customers will also purchase other items. Come on, check out Flashark's all-in-one kits and modify your car to your heart's content!
FAQ
Q1: Will these 350z headers fit my 2003-2006 Nissan 350Z with a VQ35DE engine?
A1: Yes, these performance headers are specifically engineered for 2003, 2004, 2005, and 2006 Nissan 350Z models equipped with the 3.5L VQ35DE V6 engine. They act as a direct replacement for your factory components, making them the perfect 350z de headers upgrade for your build.
Q2: Can this exhaust header for 2003-2007 nissan 350z/g35 be used on an Infiniti G35?
A2: Absolutely. This exhaust header for 2003-2007 nissan 350z/g35 is fully compatible with both the 2003-2007 Infiniti G35 Coupe and the 2003-2006 Infiniti G35 Sedan utilizing the VQ35DE platform. It serves as an excellent upgrade whether you are searching for premium g35 headers or heavy-duty nissan 350z headers.
Q3: What estimated horsepower gains can I expect from this 350z header upgrade?
A3: By optimizing exhaust scavenging and reducing backpressure, installing this high-performance 350z header typically yields an increase of 10 to 15 horsepower. You will also experience a noticeable improvement in mid-range torque and a much crisper throttle response across the RPM band.
Q4: How does this product compare to a factory 350z exhaust manifold?
A4: Unlike the restrictive, cast-iron stock 350z exhaust manifold that builds up heat and backpressure, our performance headers are crafted from mandrel-bent stainless steel. Each cylinder features its own dedicated runner tube to eliminate exhaust gas interference, allowing your engine to breathe freely and generate maximum power.
Q5: Are these nissan 350z headers compatible with 2007-2009 models?
A5: No, these headers are designed strictly for the single-throttle body VQ35DE engine. They will not fit 2007-09 nissan 350z headers queries for models equipped with the dual-throttle body VQ35HR engine. Please double-check your vehicle's model year and engine type before purchasing to avoid incorrect fitment.
Q6: What are the exact dimensions and specs of these vq35de headers?
A6: These premium vq35de headers feature 1.75-inch primary runners that smoothly transition into a 2.1-inch collector, with a 2.4-inch outlet. These dimensions are fine-tuned to maintain optimal exhaust velocity, maximizing top-end power without sacrificing low-end torque.
Q7: Is the installation of these 350z exhaust headers a direct bolt-on process?
A7: Yes, our 350z exhaust headers are designed as a direct bolt-on replacement for your OEM manifolds. They line up perfectly with your stock mounting points and come equipped with pre-welded O2 sensor bungs, making the installation clean and straightforward without custom fabrication or welding.
Q8: What type of material and construction quality is used for this header 350z upgrade?
A8: This header 350z upgrade is manufactured from high-grade, heavy-wall stainless steel featuring a beautiful mirror-polished finish. It utilizes thick, laser-cut flanges to eliminate the risk of warping under extreme exhaust temperatures and is 100% hand TIG-welded for track-tested durability.
Q9: Are installation gaskets and hardware included with the headers 350z package?
A9: Yes, every headers 350z kit comes complete with premium multi-layer replacement exhaust manifold gaskets, collector gaskets, and all the required bolts and hardware. You won't need to make extra trips to the parts store; everything needed for a leak-free seal is included in the box.
Q10: Will installing these performance headers trigger a Check Engine Light (CEL)?
A10: These headers include pre-welded O2 sensor bungs positioned in factory locations to retain your original oxygen sensors. When installed alongside your factory catalytic converters or high-quality aftermarket test pipes, they are designed to maintain proper sensor readings and prevent a Check Engine Light.
Q11: How will this upgrade affect the sound tone of my 350z full exhaust system?
A11: Upgrading your factory manifolds to these performance headers will give your 350z full exhaust system a significantly deeper, more aggressive, and crisper acoustic profile. It amplifies the iconic VQ35 V6 exhaust note while keeping rasp and cabin drone to a minimum during normal cruising.
Q12: Do I need a professional ECU tune after bolting on these 350z exhaust headers?
A12: A custom ECU tune is not strictly mandatory immediately after installation, as the factory ECU can safely adjust within its parameters. However, to fully capitalize on the increased airflow and reduced backpressure provided by these 350z exhaust headers, a professional tune is highly recommended to unlock the absolute maximum power potential.