OEM Infiniti Q50 Lower Downpipes For 2009+ Nissan 370Z Z34 G37 VQ37VHR 3.7L V6

KYOSTAR Lower Downpipes for 2009+ Nissan 370Z Z34 Infiniti G37 VQ37VHR 3.7L V6

Upgrade your Nissan 370Z Z34 or Infiniti G37 equipped with the VQ37VHR 3.7L V6 engine with the KYOSTAR Lower Downpipe Set. Designed to improve exhaust flow efficiency by reducing factory exhaust restriction, these high-flow lower downpipes help enhance throttle response, exhaust tone, and overall engine breathing performance.

Manufactured with optimized tubing design and a polished stainless steel finish, the KYOSTAR lower downpipes provide smoother exhaust flow and improved exhaust pulse efficiency for naturally aspirated V6 applications. This performance exhaust upgrade is ideal for enthusiasts seeking improved exhaust response, enhanced sound, and a cleaner underbody appearance.

Features

• High-flow lower downpipe design helps reduce exhaust restriction and improve exhaust gas flow.

• Optimized tubing routing improves exhaust pulse efficiency and supports better engine breathing.

• Stainless steel construction provides durability and resistance against corrosion and heat exposure.

• Polished finish delivers a clean and performance-oriented appearance under the vehicle.

• Designed specifically for Nissan and Infiniti VQ37VHR 3.7L naturally aspirated V6 applications.

Fitment

• 2009-2016 Nissan 370Z Z34 3.7L V6

• 2008-2013 Infiniti G37 Coupe 3.7L V6

• 2009-2013 Infiniti G37 Sedan 3.7L V6

• Engine: VQ37VHR 3.7L Naturally Aspirated V6

Note:

Compatible engine: VQ37VHR 3.7L naturally aspirated V6 engine applications only.
Incompatible engine: Not compatible with VQ35DE, VQ35HR, VR30DDTT turbo engines, or other exhaust configurations.
Verify chassis: Confirm Nissan Z34 or Infiniti V36 platform compatibility before purchase.
Verify connection: Check exhaust flange locations, tubing routing, and existing exhaust modifications before installation.

Fitment Note:
Vehicle exhaust configurations may vary by production year, market specification, and previous modifications. Please compare your factory exhaust layout, mounting points, and connection locations with the product photos before ordering.

Professional installation is recommended. Ensure all exhaust connections, gaskets, hardware, and mounting points are properly secured after installation.

Product Details

FAQ

Q: Will these lower downpipes fit the Nissan 350Z VQ35 engine?
A: No. These lower downpipes are designed specifically for VQ37VHR 3.7L V6 applications including Nissan 370Z Z34 and Infiniti G37 models.

Q: Will this upgrade improve exhaust sound?
A: Yes. The high-flow design reduces exhaust restriction and provides a deeper, more aggressive exhaust tone compared with the factory setup.

Q: Does installation require ECU tuning?
A: ECU tuning is not required for installation. However, tuning may help optimize performance when combined with additional exhaust or engine modifications.

Q: Is this suitable for daily driving?
A: Yes. The KYOSTAR Lower Downpipe Set is designed for street performance builds and naturally aspirated VQ37VHR enthusiasts.

Q: Is professional installation recommended?
A: Yes. Professional installation is recommended to ensure proper exhaust alignment, sealing, and hardware installation.