2008-2013 Test Pipe Exhaust Downpipe 2.5" for 2009-2018 Nissan 370Z Z34 Infiniti G37 3.7L V6
Brand New
Shipping & Returns
- Inlet Diameter: 2.50"
- Outlet Diameter: 2.50"
- Mounting Style: 2 Bolt
- Mandrel Bent Piping with TUG welded CNC flanges
- Get rids of restricting catalytic converter. (catless, decat, test pipe)
- Gives instant horsepower by removing restrictive stock downpipe. Gives gains of 10-15hp.
- Direct bolt on. no modification needed.
- For off-road, competition/racing use only. This product is not intended to be installed on vehicles registered for highway use. This product is NOT for sale or use in California.
- Product does not come with installation instructions, please refer to a shop/factory manual for installation.
- 2009-2018 Nissan 370Z Z34
- 2008-2013 Infiniti G37 3.7L V6 (Coupe and Sedan)
- For All Infiniti Q50/Q60 Models with 3.7L Engine (does not fit 2.0 or 3.0t models)
Product Note: Professional installation recommended
Neutral Packaging
Includes:
- 2*Test Pipe
- 4*Gaskets
- 1* Pack Screws & Nuts
SHIPPING & DELIVERY
Fast Processing & Reliable Transit
- Processing: Orders are processed and shipped from the nearest warehouse within 24 hours.
- Delivery: Estimated delivery time is approximately 4 to 5 business days.
RETURNS & EXCHANGES
30-Day Hassle-Free Policy
- Return Window: We offer a 30-day return policy from the date of delivery.
- Process: To initiate a return or exchange, please contact our customer service team first to receive authorization and instructions.
WARRANTY
2-Year Limited Replacement Warranty
- Duration: All products are backed by a 2-year limited warranty.
- Coverage: This warranty covers manufacturing defects and product failures under normal use, and provides a replacement for qualified cases (repairs are not performed).
CUSTOMER SUPPORT
We’re Here to Help – Contact Us First
- Priority Contact: For any order-related issues—including returns, warranty claims, or general inquiries—please contact us first before taking further action. We are committed to resolving your concern promptly.
- Feedback Notice: If you are unsatisfied, we kindly ask that you allow us an opportunity to address the issue before leaving neutral or negative feedback.
- Email Support: You can reach us at support@SAMEXHAUST.com.
Vehicle Fitment
| VEHICLE NAME | YEAR | ENGINE |
|---|---|---|
| Nissan 370Z Z34 | 2009~2018 | 3.7L V6 |
| Infiniti G37 | 2008~2013 | 3.7L V6 (Coupe and Sedan) |
| Infiniti Q50/Q60 | All Years | 3.7L V6 (does not fit 2.0 or 3.0t models) |
Frequently Asked Questions
Will this fit my car?
Yes — specifically designed for:
• 2009–2018 Nissan 370Z Z34 3.7L V6
• 2008–2013 Infiniti G37 3.7L V6 (Coupe and Sedan)
• All Infiniti Q50/Q60 models with 3.7L engine (does not fit 2.0 or 3.0t models)
Is this a catless downpipe / test pipe?
Yes — it removes the restrictive stock catalytic converter for improved airflow and horsepower gains.
How much horsepower can I expect?
Expect 10–15 HP gains by removing the restrictive stock downpipe.
Is tuning required?
Tuning is not required for basic installation, but tuning may help maximize performance and optimize air-fuel ratio.
Can I install this myself?
This is a direct bolt-on product — no modifications needed. Professional installation is recommended, and instructions are not included.
Is this street legal?
No — this product is for off-road, competition, or racing use only. Not intended for highway use and not legal in California.
What material and construction does it use?
Mandrel-bent piping with TIG welded CNC flanges ensures smooth exhaust flow, durability, and precise fitment.
Attention
Products on this site are for off-road/racing use only and are not legal for public roads where emissions laws apply.
Professional installation recommended. Removing emissions equipment (DPF, CAT, SCR, DOC) requires deleting related sensors and a compatible tuner to avoid engine codes.
Performance gains may vary—no guarantees.
