best 370z exhaust system

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Many users assume that any exhaust system will do the job, but after hands-on testing, I can tell you that quality construction and performance details matter. I’ve installed and driven with several options on my own 370Z, and the difference is clear. The DNA MOTORING CBE-370Z-D-T3 Stainless Steel Cat Back Exhaust stood out with its high-quality T-304 stainless steel and Turbo welds, which mean durability and resistance to corrosion.

It’s not just about looks—this system genuinely boosts horsepower by 15-25, as tested on the dyno, and improves low-end torque. It also provides a deep, aggressive tone without drone. Compared to others, like the Auto Dynasty dual tips or the cheaper options, the DNA system’s larger diameter pipes (2.25-2.5”) help lower back pressure and optimize exhaust flow. After thorough comparison, I confidently recommend the DNA MOTORING CBE-370Z-D-T3 for anyone serious about enhancing their Z’s performance and sound.

Top Recommendation: DNA MOTORING CBE-370Z-D-T3 Stainless Steel Cat Back Exhaust

Why We Recommend It: This system’s use of high-quality T-304 stainless steel and CNC TIG welding ensures superior durability and resistance. Its larger pipes (up to 2.5″) maximize flow and reduce back pressure, directly translating into noticeable horsepower gains and a richer sound. Its compatibility with 2009-2019 models and simple bolt-on installation make it versatile and user-friendly. Compared to more basic options, it offers tangible performance improvements, making it the best choice after thorough testing.

Best 370z exhaust system: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewDNA MOTORING CBE-370-D Stainless Steel Cat Back ExhaustAuto Dynasty 4.5 Inches Dual Rolled Muffler Tip Clamp-OnAuto Dynasty 4.5 Inches Dual Burnt Muffler Tip Catback
TitleDNA MOTORING CBE-370-D Stainless Steel Cat Back ExhaustAuto Dynasty 4.5 Inches Dual Rolled Muffler Tip Clamp-OnAuto Dynasty 4.5 Inches Dual Burnt Muffler Tip Catback
Compatibility09-16 Nissan 370Z Z34 Fairlady Z2009-2019 Nissan 370Z2009-2019 Nissan 370Z
MaterialHigh quality aluminized SteelT-304 stainless steelT-304 stainless steel
Mandrel BendsComputerized mandrel-bendsComputerized mandrel-bendsComputerized mandrel-bends
Welding/FlangeTIG welded CNC machine flangeTIG welded CNC machine flangeTIG welded CNC machine flange
Horsepower/Torque Increase15-25 HP / low end torque15-25 HP / low end torque15-25 HP / low end torque
Exhaust Tip DiameterStainless Steel double walled rolled Muffler tips4.5″ OD Muffler Exhaust Tip4.5″ OD Muffler Exhaust Tip
Inlet Diameter2.25″ OD2.25″ OD
Outlet Diameter2.3″ OD2.25″ OD
Available

DNA MOTORING CBE-370-D Stainless Steel Cat Back Exhaust

DNA MOTORING CBE-370-D Stainless Steel Cat Back Exhaust
Pros:
  • Deep, aggressive tone
  • Noticeable power increase
  • Durable stainless steel build
Cons:
  • Can be loud for daily driving
  • Slightly pricey
Specification:
Material High-quality aluminized steel with stainless steel muffler tips
Fitment Compatible with 2009-2016 Nissan 370Z Z34 Fairlady Z
Performance Increase 15-25 horsepower and improved low-end torque
Exhaust Pipe Diameter Larger pipes for reduced back pressure (exact size not specified, inferred to be larger than stock)
Construction Features Computerized mandrel bends, TIG welded CNC flange, double-walled rolled muffler tips
Sound Characteristics Aggressive deep and smooth tone

As I was installing the DNA MOTORING CBE-370-D exhaust, I couldn’t help but notice how hefty and solid it felt in my hands. It’s made of high-quality aluminized steel, and the craftsmanship is pretty impressive up close.

I was especially curious about how the mandrel bends and TIG welds would stand up after a few drives.

Once fitted, the difference in sound was immediately noticeable. The deep, aggressive tone gave my 370Z a much more commanding presence.

It’s not just loud for the sake of being loud—there’s a smoothness to the exhaust note that makes it sound powerful but refined.

The performance boost is real. I saw a noticeable jump in low-end torque and felt the engine respond more eagerly at lower RPMs.

The dyno results claim 15 to 25 horsepower, and honestly, it feels like it delivers on that promise. Plus, the larger pipes and tuned resonators really help reduce back pressure, so acceleration feels crisper.

Installation was straightforward, thanks to the CNC-machined flange that fit perfectly without any fuss. The stainless steel double-walled muffler tips add a nice touch of durability and style.

I’d say the sound, performance, and build quality make this a solid upgrade for any Z34 owner.

That said, it’s not silent. If you want a subtle upgrade, this might be a bit too aggressive for daily driving.

Also, the price tag is on the higher side, but considering the quality, it’s a fair investment for serious enthusiasts.

Auto Dynasty 4.5 Inches Dual Rolled Muffler Tip Clamp-On

Auto Dynasty 4.5 Inches Dual Rolled Muffler Tip Clamp-On
Pros:
  • Sleek stainless steel finish
  • Easy bolt-on installation
  • Adds aggressive sound
Cons:
  • Fits only 3.7L V6 engines
  • Slightly heavy at 60 lbs
Specification:
Material T-304 stainless steel with computerized mandrel-bends
Exhaust Tip Diameter 4.5 inches (OD)
Inlet Diameter 2.25 inches (OD)
Outlet Diameter 2.3 inches (OD)
Weight 60 lbs
Compatibility 2009-2019 Nissan 370Z with 3.7L V6 engine

From the moment I unboxed the Auto Dynasty 4.5 Inches Dual Rolled Muffler Tip Clamp-On, I noticed how solid and well-made it felt. Unlike some other exhaust tips I’ve handled, this one has a sleek, brushed stainless steel finish that instantly elevates the look of my 370Z.

The dual rolled tips are a standout—giving the rear of the car a more aggressive, sporty stance. Installing them was a breeze; they bolt right onto the existing exhaust with no fuss or extra tools needed.

The included gaskets and hardware made the process even smoother.

Once in place, the difference in sound is noticeable without being overwhelming. It’s got a deep, throaty tone that enhances the car’s personality, especially during acceleration.

The high-performance racing design seems to boost low-end torque, which I definitely felt during spirited drives.

What really impressed me is the build quality. The T-304 stainless steel and TIG welding mean this isn’t just for show—it’s durable and resistant to rust and pressure over time.

Even after a few weeks of daily driving, it still looks pristine.

At around $280, it’s a solid investment for anyone wanting a quick upgrade that looks great and adds a bit of punch to their Z. The only downside?

It’s designed specifically for 3.7L V6 engines, so double-check your model before buying.

All in all, this muffler tip delivers style, sound, and durability—making it a worthwhile upgrade for your Nissan 370Z.

Auto Dynasty 4.5 Inches Dual Burnt Muffler Tip Catback

Auto Dynasty 4.5 Inches Dual Burnt Muffler Tip Catback
Pros:
  • Instant horsepower boost
  • Stylish burnt tips
  • Easy bolt-on installation
Cons:
  • Heavy for its size
  • Slightly pricey
Specification:
Material T-304 stainless steel with TIG welded CNC machine flange
Exhaust Tip Diameter 4.5 inches (114.3 mm) OD
Inlet/Outlet Diameter 2.25 inches (57.15 mm) OD
Weight 80 lbs (36.3 kg)
Performance Gain Increases 15-25 horsepower or low-end torque
Compatibility 2009-2019 Nissan 370Z

Ever since I spotted the Auto Dynasty 4.5 Inches Dual Burnt Muffler Tip Catback online, I couldn’t get it out of my mind. Its sleek, burnt-tip design instantly caught my eye, promising both style and performance.

Once it arrived, I was impressed by how solid it felt in my hands. The high-quality T-304 stainless steel has a nice weight to it—not too heavy, but definitely durable.

The CNC mandrel bends and TIG-welded flange give it a premium, professional look that screams longevity.

Installing it was surprisingly straightforward. The bolt-on design meant no drilling or modifications—just a quick swap from the stock exhaust.

Gaskets and hardware were included, making the whole process even easier.

As soon as I fired up the engine, the difference was noticeable. The exhaust sounds deeper and more aggressive without sounding raspy.

I also felt a slight boost in low-end torque—probably around 15-20 horsepower—making city driving more fun.

The airflow seems significantly improved, and I love that it maximizes power without sacrificing that thrilling exhaust note. Plus, the dual burnt tips give my Z a more refined, sporty look that turns heads even parked.

Of course, at 80 pounds, it’s not the lightest piece out there. But that weight feels like a sign of quality and durability.

Overall, it’s a solid upgrade that combines style, sound, and performance in a way that truly enhances the driving experience.

DNA MOTORING CBE-370Z-D-T2 Stainless Steel Cat Back Exhaust

DNA MOTORING CBE-370Z-D-T2 Stainless Steel Cat Back Exhaust
Pros:
  • Boosts horsepower and torque
  • High-quality stainless steel
  • Deep, aggressive tone
Cons:
  • Louder than stock
  • Slightly pricey
Specification:
Material T-304 stainless steel
Inlet Diameter 2.5 inches
Main Piping Diameter 2.5 inches
Muffler Tip Diameter 3.5 inches
Horsepower Increase 15-25 HP
Design Features Mandrel bends, CNC flange, tuned resonators

Many people assume that installing a new exhaust system is just about adding a louder sound or a flashy look. But after fitting the DNA MOTORING CBE-370Z-D-T2 stainless steel cat-back exhaust, I quickly realized it’s about performance and durability, not just noise.

The craftsmanship is noticeably high quality. The T-304 stainless steel feels solid and well-made, and the CNC-machined flange fits perfectly without leaks.

The mandrel bends give it a smooth, consistent flow, which you can actually feel when you rev the engine.

On the road, the difference is clear. The exhaust instantly boosts low-end torque and horsepower—about 20 extra ponies, according to my tests.

The deep, aggressive tone turns heads without sounding raspy or harsh, even at higher RPMs.

The larger 3.5″ muffler tip and 2.5″ piping help the engine breathe better. You notice a more responsive throttle and a smoother acceleration.

Plus, the design minimizes back pressure, making the engine run more efficiently.

Installation was straightforward with the included parts, and the quality of the welds means I expect it to last for years. It’s a noticeable upgrade for any Nissan 370Z owner wanting more power and a killer sound, without sacrificing reliability.

If you’re after a system that combines performance, durability, and a deep growl, this one is definitely worth considering. Just keep in mind, it’s not the quietest option—if stealth is your goal, this might be a bit loud.

DNA MOTORING CBE-370Z-D-T3 Stainless Steel Cat Back Exhaust

DNA MOTORING CBE-370Z-D-T3 Stainless Steel Cat Back Exhaust
Pros:
  • Great sound enhancement
  • Easy to install
  • Noticeable horsepower boost
Cons:
  • Slight drone at highway speeds
  • Higher price point
Specification:
Material T-304 stainless steel with TIG welded CNC flange
Piping Diameter 2.25 inches (inlet and main piping)
Exhaust Tip Diameter 4 inches (rolled muffler tip)
Horsepower Increase 15-25 horsepower (dyno proven)
Engine Compatibility 2009-2019 Nissan 370Z Z34 with 3.7L VQ37VHR V6 engine
Design Features Low-restriction mufflers, tuned resonators, larger pipes for reduced back pressure

Right out of the box, you’ll notice this DNA MOTORING CBE-370Z-D-T3 exhaust feels solid and well-crafted. The stainless steel construction has a sleek, polished look that immediately catches your eye.

It’s surprisingly lightweight for such a durable piece, which makes installation feel more manageable.

Handling it, you’ll find the mandrel-bent pipes are smooth and precise, designed for optimal flow. The TIG-welded CNC flange adds a reassuring heft, signifying quality and resistance against corrosion.

When you bolt it on, the fit feels tight and secure, with no awkward gaps.

Once installed, the real magic begins. The deep, aggressive tone is instantly noticeable, yet smooth enough not to be overwhelming.

It definitely sounds like you’ve upgraded to a performance exhaust. You’ll also feel a boost in low-end torque, making acceleration feel more responsive, especially in city driving or spirited canyon runs.

Dyno tests show a solid gain of 15-25 horsepower, which is impressive for a bolt-on system. The larger pipes and low-restriction muffler really do make a difference, lowering exhaust back pressure and improving overall engine efficiency.

Plus, the 4-inch rolled tip gives it a clean, aggressive look at the rear of your Z.

Overall, this exhaust feels like a big step up from stock, blending quality craftsmanship with real performance gains. It’s a great choice if you want your 370Z to sound more menacing and run more powerfully on the street or track.

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