Flashark Catback Exhaust for 2003-2008 Nissan 350Z & Infiniti G35 with 4.5'' Single Tip & 3'' Pipe
The Flashark catback exhaust is engineered to significantly enhance performance for the 2003–2008 Nissan 350Z and Infiniti G35, making it an ideal upgrade for anyone searching for a 350Z or G35 catback exhaust with noticeable power gains. Featuring a 4.5-inch flat tip with a detachable double-layer silencer and 3-inch piping, this exhaust adds 10-15 extra horsepower, providing quicker throttle response and a deeper, more aggressive exhaust note. Made from high-quality stainless steel with a mirror polish finish, it ensures durability and a sleek appearance.
Specifications:
Brand Name: Flashark
Certificate: ISO9001:2000
Application: Catback Exhaust
Material: Stainless Steel
Surface: Mirror Polish
Exhaust Tip and Piping: 4.5" Flat Tip with Double-Layer Silencer, 3" Piping
Model: EC46507X
Feature:
- 4.5" flat tip, with detachable double-layer silencer, 3-inch pipe
- Gain more horsepower, faster response, averaging 10-15 extra hp
- Engineered To Be Direct Bolt-On Replacement To Increased Exhaust
- Producing strong, deep, and noticeable sound
NOTE: Stainless steel is often chosen for its corrosion resistance, but it is not rust-free. Stainless steel may still corrode under certain conditions, depending on the environment in which it is used, the specific alloy composition, and other factors. Salt Lake is in a high salt environment, which will increase the risk of corrosion of stainless steel There needs to Appropriate protection and maintenance measures to extend the service life of stainless steel products!
Product Content:
- 1 Set x Exhaust System
- Included Gaskets, Bolts & Nuts
OEM Exhaust vs Catback Exhaust: 2003-2008 350Z & G35
Upgrading from a stock exhaust to a Catback system is one of the most effective ways to improve your 350Z or G35’s performance and driving experience. Here’s why it matters:
- Improved Performance: A Catback reduces exhaust backpressure, allowing your engine to breathe more efficiently and deliver noticeable gains in horsepower and torque.
- Enhanced Sound: While OEM exhausts are quiet and tuned for daily driving, a Catback creates a deeper, richer tone that stands out without being overwhelming.
- Lightweight Design: Aftermarket Catbacks are often lighter than factory systems, improving throttle response and overall vehicle dynamics.
- Customizable Experience: Many systems, including Flashark, feature detachable silencers or tip options, giving you control over your exhaust sound.
- Long-Term Durability: Built from high-quality stainless steel, Catbacks resist corrosion better than stock mild steel, extending the life of your exhaust when properly maintained.
Upgrading to a Catback isn’t just about sound—it’s a measurable boost in performance, style, and driving enjoyment, making every drive more engaging and responsive.
Why Choose Flashark’s Catback Exhaust?
Flashark Catback Exhausts transform your 350Z or G35 driving experience with a deeper, more aggressive sound and the option for a refined tone. Crafted from high-quality stainless steel with a mirror-polished finish, it’s built to last and look great. Designed as a direct bolt-on system, installation is simple and hassle-free. With proven improvements in throttle response and performance, Flashark delivers both style and excitement every time you hit the road.
Single Tip vs Dual Tip Catback: Nissan 350Z & Infiniti G35
Choosing between a single tip and a dual tip Catback exhaust comes down to sound, style, and performance preferences.
- Sound: Single tip delivers a deep, classic tone with a bold yet refined presence. Dual tip creates a wider, more aggressive sound, especially noticeable at higher RPMs.
- Appearance: Single tip offers a clean, understated look that blends well with most rear bumper designs. Dual tip gives a sportier, symmetrical stance, making your car’s rear end look more aggressive.
- Performance: Single tip provides smooth exhaust flow and noticeable power gains for daily driving and moderate upgrades. Dual tip offers slightly better high-RPM exhaust flow, making it ideal for vehicles with more aggressive tuning.
- Installation: Single tip is easy to install with minimal modifications required. Dual tip may need careful alignment with the bumper and exhaust outlets for optimal fit.
Whether you prefer the classic, deep tone of a single tip or the sporty, aggressive presence of dual tips, Flashark has you covered. Explore our Dual Tips Catback Exhaust to see how it transforms both the look and sound of your 350Z or G35.
2003-2008 Nissan 350Z & Infiniti G35: Quick Model Overview
The 2003-2008 Nissan 350Z and Infiniti G35 are iconic sports cars built on the same platform, offering rear-wheel drive dynamics, responsive V6 engines, and balanced handling. Known for their strong aftermarket support, both models benefit significantly from performance upgrades such as Catback exhausts. Whether it’s a coupe or convertible, these cars respond well to modifications that enhance power, sound, and overall driving enjoyment, making them a favorite among enthusiasts.
Flashark All-in-One Kits
Often, after purchasing the 4.5" Single Tip 3" Pipe Catback Exhaust for 2003-2008 Nissan 350Z Infiniti G35, 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!
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2003-2008 Nissan 350Z Coupe/Convertible Models
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2003-2008 Infiniti G35 Coupe Models ONLY (Requires Extension Pipe)
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Note: Extension Pipe Required for Infiniti G35
Flashark 2003-2008 Nissan 350Z & Infiniti G35 Single Tip Catback Exhaust FAQ
Q1: Will a 350Z exhaust fit a G35?
A1: Yes! Because the Nissan 350Z and Infiniti G35 share the same FM (Front Midship) platform, this Flashark catback exhaust is designed to be a direct bolt-on upgrade for both the 350Z and the G35 coupe. Whether you are looking for a 2003 Nissan 350Z exhaust or an 03-08 Infiniti G35 exhaust, this system shares the same core mounting points.
Q2: How much horsepower will this G35 exhaust upgrade add?
A2: Upgrading from a restrictive stock G35 exhaust to our 3" pipe catback exhaust reduces backpressure significantly, allowing your VQ35 engine to breathe freely. You can expect an average gain of 10-15 extra horsepower, along with noticeably faster throttle response. It is widely considered one of the best Nissan 350Z upgrades you can invest in.
Q3: Why should I choose a 350Z single exhaust system over a dual exhaust?
A3: A 350Z or G35 single exit exhaust provides a clean, raw, track-inspired aesthetic while offering massive weight savings over the bulky stock dual setup. The 3" piping to a 4.5" tip provides incredibly smooth exhaust flow for daily driving and moderate tuning, delivering that classic, deep JDM tone without the extra weight of a dual system.
Q4: Will this catback exhaust G35/350Z system be too loud for daily driving?
A4: This system produces a strong, deep, and aggressive sound that easily outperforms the quiet factory setup. However, to give you full control over your volume, our 350Z exhaust tips feature a detachable double-layer silencer. You can keep the silencer in for a refined tone on your morning commute, or remove it to unleash the full VQ roar at the track.
Q5: What is a catback exhaust, and how does it differ from a full exhaust system?
A5: A catback exhaust replaces all the factory exhaust components from the catalytic converter back to the rear bumper (including mid-pipes and the muffler). It keeps your stock cats in place, making it an emissions-friendly upgrade. If you want a 350Z full exhaust system, you would pair this cat back exhaust with our Flashark exhaust headers and test pipes or a downpipe.
Q6: Can I handle the 03-08 Infiniti G35 exhaust installation myself?
A6: Absolutely! While taking your car to a professional 03-08 Infiniti G35 exhaust shop is always a great option, this system is engineered as a direct bolt-on replacement. We include all the necessary gaskets, bolts, and nuts. Any Nissan 350Z enthusiast with jack stands, basic hand tools, and a weekend afternoon can easily tackle this install.
Q7: Will this fit my 4-door model as a G35 sedan single exit exhaust?
A7: This specific catback exhaust system is perfectly tailored for the 350Z and G35 coupe exhaust dimensions. Because the G35 sedan has a slightly longer wheelbase, fitting this onto a sedan will require an aftermarket extension pipe (usually around 6-8 inches) to reach the rear bumper properly. If you add that extension, it makes a fantastic G35 sedan exhaust!
Q8: Does this exhaust system fit all years from 2003 to 2008?
A8: Yes, it covers the entire early to mid-generation VQ35DE and VQ35HR models. Whether you need a 2004 Infiniti G35 exhaust, a 2006 G35 exhaust, or a 2008 Nissan 350Z cat back exhaust, the flange designs and hanger locations are compatible across these model years for a seamless fit.
Q9: Is the stainless steel on this cat back exhaust 350Z system rust-proof?
A9: Our catback exhaust is made from high-quality ISO9001:2000 certified stainless steel with a stunning mirror polish. While this provides excellent resistance against corrosion compared to mild steel, no stainless steel is 100% rust-free in harsh environments (like heavily salted winter roads). Regular cleaning and maintenance will ensure your exhaust stays pristine for years.
Q10: What exactly is included in the box when I order?
A10: When you purchase this G35 performance exhaust, you receive the complete 1-set exhaust system (featuring the 3-inch piping and 4.5" flat tip with the double-layer silencer). We also include all the necessary hardware—gaskets, bolts, and nuts—so you don't have to make any surprise trips to the hardware store during installation.
Q11: Will this fix the restrictive feel of my stock G35 exhaust?
A11: Yes. The stock exhaust on these cars is heavily baffled to meet mass-market noise regulations, which severely chokes airflow. By installing this 3" straight-through pipe design, you eliminate those bottlenecks. You will immediately feel improved throttle response and a much freer-revving engine.
Q12: I'm choosing between this and a dual system, what is the best catback exhaust 350Z option?
A12: It ultimately comes down to your build goals! If you want maximum weight reduction, a track-inspired asymmetric look, and a deep JDM tone, the single exhaust 350Z setup is perfect. If you prefer a symmetrical aesthetic and a slightly wider sound profile for high-RPM tuning, check out our Flashark Dual Tips Catback Exhaust instead. Both are massive upgrades over stock!