Infiniti G37 Exhaust Guide

Looking for a performance G37 exhaust? You’ve come to the right place. We compare nine of the best G37 exhausts available to help you find the perfect system for your car.

g37 exhaust guide

In a hurry? Here is our G37 exhaust summary

Budget Choice Drifted Choice Premium Choice
Tanabe Medalion Touring G37 Exhaust Invidia Gemini ARK GRiP G37 Exhaust
Tanabe Medalion Touring G37 Exhaust Invidia Gemini G37 Exhaust ARK GRiP G37 Exhaust
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Infiniti may well have had the luxury, upper-class mindset when they built the G37, but that hasn’t stopped car tunes across the world being desperate to own this sleek looking machine to put their own unique twist on it.

With the G37 at a more affordable price bracket than ever and a huge array of aftermarket parts available off the shelf, it’s easy to see why the G37’s popularity is increasing in the scene.

Whether you’re building a full-blown drift or grip car for the track or scraping your way to the local car meet, the G37 is a fantastic offering.

An exhaust is always one of the first things to change on a car due to a low price point and ease of fitting combined with freeing the additional power and giving your G-series coupe or convertible a far more impressive sound and look.

What is this guide for?

This guide has been created to help you find the perfect exhaust upgrade for your G37. We’ll be focusing on all aspects that you’ll be looking for in the modification of the exhaust systems to compliment your G-series perfectly.

For each exhaust, we also add our own comments. In addition, we have given a Drifted rating (1-5) based on features and price. We are considering budget, mid-range and high end exhausts in this comparison.

Infiniti G37 exhaust selection

Let’s take a look at our selection! For additional info about any of these products just click on the actual product name or photo.

Stillen Dual G37 Exhaust

Stillen Dual G37 Exhaust

  • Manufacturer: Stillen
  • Internal pipe diameter: Twin 57-63mm (2.25″-2.5″)
  • Tailpipe configuration: Twin 114mm (4.5″) tips
  • Primary exhaust system material: 304 Stainless Steel
  • Value for money:rating
  • Purchase link: Buy your Stillen G37 Exhaust at Enjuku Racing!

Our comment: This mid-price offering from Stillen brings offers a much cleaner look to your G-series. With an ‘aggressive tone without the annoying drone’, this is an ideal choice for those who want the looks, performance and aggressive sound when under throttle but also keen to keep noises to a minimum when cruising on the highway.

Manufacturer description: “Each Stillen aftermarket performance exhaust system is expertly constructed by Stillen craftsmen. These artisans bend, form and weld top quality 304 stainless steel tubing, core mufflers and exhaust tips. Then they carefully polish each component to a high port-n-polished finish for durability and good looks.”

“You can be confident your Stillen performance exhaust system will withstand harsh weather and road conditions for years to come. And for added reassurance, Stillen offers a limited lifetime warranty against rust-through and manufacturer defects.”

“Count on the Stillen R&D team to extract every ounce of hidden horsepower from the VQ37 powerplant. We’ve spent nearly 30 years designing and building proven Nissan performance parts. No wonder our performance exhausts systems consistently dominate magazine shootouts for max power output.”

Stillen exhaust video

HKS Hi-Power G37 Exhaust

HKS Hi-Power G37 Exhaust

  • Manufacturer: HKS
  • Internal pipe diameter: Twin 60mm (2.4″)
  • Tailpipe configuration: Twin 120mm (4.7″) tips
  • Primary exhaust system material: 304 Stainless Steel with Titanium Burnt Tips
  • Value for money:rating
  • Purchase link: Buy your HKS Hi-Power G37 Exhaust at Enjuku Racing!

Our comment: The HKS Hi-Power exhaust is a Japanese classic and once again they’ve pulled it out of the bag with this work of art. Enjoy the subtle sounds until you plant your foot to the floor to let her roar. This is another great choice for those who are after the quieter option for daily driving. However, we doubt you’ll be able to resist hearing the sounds it produces as it screams its way to the redline!

Manufacturer description: “Inspired and designed from endurance and GT racing in Japan, HKS developed its Hi-Power Exhaust system for both turbocharged and naturally aspirated applications.”

“HKS has incorporated this new race inspired offset muffler and piping design into many street applications, which offers a greater flow and higher RPM power gains due to the less restrictive design. This is achieved by eliminating unnecessary bends for the straightest exhaust path.”

“For turbocharged applications, the large and smooth exhaust flow allows greater exhaust velocity for better mid-range boost response and high-RPM power. Naturally aspirated vehicles also benefit from greater exhaust flow capacity as engine tuning levels increase.”

HKS Hi-Power exhaust video

Tomei Expreme Titanium G37 Exhaust

Tomei Expreme Titanium 370Z Exhaust

  • Manufacturer: Tomei Expreme Titanium
  • Internal pipe diameter: 80mm (3”)
  • Tailpipe configuration: Single 115mm (4.5″) tip
  • Primary exhaust system material: Titanium
  • Value for money:rating
  • Purchase link: Discontinued

Our comment: Weighing in at an insane 13lbs (5.7kg) is Tomei’s offering, despite an extremely impressive 18.8kg weight loss, this single-exhaust system is perhaps not for everyone. If you’re purely after weight loss and performance, the Tomei is quite possibly the best choice for the money. However, with the G37’s body design made with twin exits in mind – having a single large Jap-style exhaust poking out the rear is an acquired taste.

Featuring far fewer bends than other offerings, the large diameter, high-flow design of the exhaust is fantastic for performance but not so great for those who are after a quieter drive.

Please note that this is the 370Z exhaust which Tomei says will fit, however we suspect it may require some small modifications. We recommend contacting the supplier to ensure correct fitment.

Manufacturer description: “With an overall dramatic performance improvement & weight reduction, breathe new life into your 370Z.”

“Only the best Titanium grade materials are used in the production of the components. From the special racing layout design, created as straight as possible, to the high flow silencer, Tomei has poured their extensive knowledge of Japanese vehicles into this design. When you see and weigh the EXPREME Ti system, you will understand that this exhaust system has no rivals.”

“High-quality production, for true competition use without compromise. Only the best Titanium grade materials are used. From the special racing layout design, made as straight as possible, to the high flow silencer. We have poured our knowledge into it all. When you see our EXPREME Ti system, you can then understand that ours is unrivaled.”

Tomei Expreme Titanium exhaust video

Invidia Gemini G37 Exhaust

Invidia Gemini G37 Exhaust

  • Manufacturer: Invidia
  • Internal pipe diameter: 60mm (2.3”)
  • Tailpipe configuration: Twin 110mm tips (4.3”)
  • Primary exhaust system material: Stainless Steel
  • Value for money:rating
  • Purchase link: Buy your Invidia Gemini G37 Exhaust

Our comment: Boasting a subtle design with burnt tips, Invidia bring another very reasonable and extremely popular option to the market.

Although slightly louder than some of our earlier offerings, it is still tame enough to be a good highway cruiser until the deep growl unleashes an entirely different beast around the 2.5-4.5k rev range.

Manufacturer description: “The Invidia Gemini Exhaust is the latest in the Invidia line of beautiful exhaust systems that feature fully polished stainless steel piping with mandrel bent tubing, and one of the best sounds you will hear from any performance exhaust!”

Invidia Gemini exhaust video

ARK GRiP G37 Exhaust

ARK GRiP G37 Exhaust

  • Manufacturer: ARK
  • Internal pipe diameter: 63.5mm (2.5”)
  • Tailpipe configuration: Twin 114.3mm tips (4.5”)
  • Primary exhaust system material: Stainless Steel
  • Value for money:rating
  • Purchase link: Buy your ARK GRiP G37 Exhaust at Enjuku Racing!

Our comment: With arguably one of the best sounding options, ARK have listened to the people when designing their great-looking true-dual-exhaust-system. As well as having the popular burnt tip option, there’s also the choice to go down the traditional stainless steel route. This exhaust features quiet cruising speeds which open up to deep intoxicating acoustics to show off that awesome VQ tone.

Manufacturer description: “The ARK “GRiP” exhaust system provides the serious enthusiast a combination of sound, style, and quality craftsmanship. As a leader and innovator in aftermarket exhaust systems we are highly recognized for out exclusive designs, proven performance gains, and our significant ARK Exhaust note that is resonant, pure, and deep.”

“All of our exhaust systems are constructed with high quality materials using state of the art equipment and technology. At ARK Performance our engineers invest their time in research and development in such areas as exhaust flow, piping size, inner core structure, fitment, and sound.”

ARK GRiP exhaust video

Manzo Dual G37 Exhaust

Manzo Dual G37 Exhaust

  • Manufacturer: Manzo
  • Internal pipe diameter: 57.15mm (2.25”)
  • Tailpipe configuration: Twin 102mm tip (4”)
  • Primary exhaust system material: Stainless Steel
  • Value for money:rating
  • Purchase link: Buy your Manzo G37 Exhaust on eBay!

Our comment: By far the cheapest offering from our list, this Manzo exhaust offers great value for money for those who are looking to go down the lower-budget route of improving the factory exhaust note.

We can’t deny that the exhaust sounds great despite some drone noise and when fitted under the car, it certainly looks good too! If you are simply looking for a better flowing exhaust without being worried about perfect welds or running a name brand, this may well be a great affordable option for you!

Manufacturer description: “Manzo is built by a large big name performance tuning company, so you get a quality product but at an affordable price.”

“Manzo is designed to be a quality entry-level exhaust system that improves horsepower and torque while giving your car an aftermarket exhaust note that sounds great. Manzo exhausts are built to be a direct bolt on and include all necessary hardware for installation. Each exhaust is made from polished stainless steel and has smooth mandrel bent exhaust piping for unrestricted flow. Manzo exhausts also feature strong CNC machined flanges that stand up to high temps and prevent warping.”

Manzo exhaust video

Fast Intentions G37 Exhaust

Fast Intentions G37 Exhaust

  • Manufacturer: Fast Intentions
  • Internal pipe diameter: 64mm (2.5”)
  • Tailpipe configuration: Twin 114mm tips (4.5”)
  • Primary exhaust system material: Stainless Steel
  • Value for money:rating
  • Purchase link: Buy your Fast Intentions exhaust here!

Our comment: This fantastic mid-range offering from USA based Fast Intentions is the first choice for many owners. Each exhaust is made in-house to order at their US factory to extremely high standards with great fitment. With an epic deep, throaty, exotic-sounding note, it’s easy to see why this is the go-to option for so many owners.

Our only downsides would be a slight drone in the upper gears and it perhaps sits a little lower than those who require high ground clearance would like. With a choice of stainless steel exhaust tips available, great looks and an epic sound, it’s definitely one to consider.

Manufacturer description: “This cat back exhaust system is the premier upgrade for all G35/37 Sedan owners looking to maximize the performance from their VQ35HR 3.5L V6 or VQ37VHR 3.7L V6 engine.”

“Built as a direct OEM replacement, our exhaust system is easy to install with simple hand tools; no cutting or welding required. Our X Pipe is designed to increase low end torque and maximize power throughout the entire RPM band.”

“The exhaust note is unobtrusive at idle and cruising speeds; but comes to life at wide open throttle. With the addition of our cat back exhaust system (excluding the catalytic converter) you will improve the aesthetics of your vehicle with its sporty and classy appearance.”

Fast Intentions exhaust video

PowerHouse Amuse R1 G37 Exhaust

PowerHouse Amuse R1 G37 Exhaust

  • Manufacturer: PowerHouse Amuse
  • Internal pipe diameter: 50mm (Approx 2”)
  • Tailpipe configuration: Twin 115mm tips (Approx 4.5”)
  • Primary exhaust system material: STTI Titanium
  • Value for money:rating
  • Purchase link: Buy your PowerHouse Amuse Exhaust here!

Our comment: Weighing in at just 9.0kg, this incredible STTI titanium offering from Amuse is undoubtedly the unicorn of the G37 exhaust world. Despite being visually stunning insanely lightweight and providing an incredible soundtrack, this comes at a cost.

With prices starting at $3,295 (excluding sales tax), expect to fork out an eye-watering $7,485 for the quad-exit alternative. If money is no object, this could quite possibly be the exhaust for the perfect finishing touch to your G37!

Manufacturer description: “The Amuse R1 Titan Extra STTI exhaust is yet another functional piece of art by Powerhouse Amuse. The System features 20.7 lbs weight savings over stock as well as 76.3mm piping diameter and 115mm x 2 exhaust tips.”

“The system only weighs 19.8lbs and is produced in full titanium for maximum weight reduction. The system features a 21 rear wheel horsepower increase over the range of the entire powerband. The system is available in two different tail finishes A tail (Half Burn) and B Tail (Full Burn).”

PowerHouse Amuse R1 exhaust video

Tanabe Medalion Touring G37 Exhaust

tanabe medallion medalion touring g37 exhaust

  • Manufacturer: Tanabe
  • Internal pipe diameter: 60-70mm (2.36-2.75″)
  • Tailpipe configuration: Twin 115mm tips (Approx 4.5”)
  • Primary exhaust system material: Stainless Steel
  • Value for money:rating
  • Purchase link: Tanabe Medalion Touring G37 Exhaust

Our comment: The Tanabe Medalion Touring will be a fantastic option for G37 owners looking for the performance gains that come with an aftermarket exhaust, but not the excessive noise.

Many call the Tanabe the ‘Gentleman’s Choice’ thanks to its quiet sound yet impressive performance.

Using the all-new ‘continuous strand’ ADVANTEX packing material technology, they’ve managed to achieve high levels of efficiency while only reaching a maximum sound level of 93dB.

This provides a perfect system for those that are often driving on the highway and don’t wish to be disturbed by the ‘drone’ sound often associated with aftermarket exhausts.

Providing a deep, clean and tasteful exhaust note, we do not doubt that this quieter choice will still keep you grinning from ear to ear when desired!

Manufacturer description:“A refined level of performance and driveability is available in the MEDALION TOURING.”

“The elegant, well defined appearance of MEDALION TOURING is mature, and matches the artistry of a tastefully built, highly tuned machine.”

Tanabe Medalion Touring exhaust video

Our G37 exhaust recommendation

Our recommendation is the Invidia Gemini.

There’s no doubt that exhaust choices are mostly down to personal preference. Each person may prefer the look or sound of a certain exhaust and each one in this guide will see improvements over the restrictive stock mufflers.

We couldn’t ignore the specifications, features, quality of build materials and price point of our winner, the Invidia Gemini. Already an extremely popular offering among G37 owners, the value for money while providing an incredible soundtrack and great quality, we felt it just couldn’t be beaten.

Invidia Gemini

Invidia Gemini

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Now you’ve sorted out your exhaust, why not treat yourself to some shiny new coilovers? Want some more power? Our G37 supercharger and G37 intake guides should be right up your street.

Looking to boost your G37’s performance even further? Try our G37 headers guide.

Photography credits

We thank the following entities for use of their photography in this article:

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