For Nissan 370Z Infiniti G37 3.7L V6 Exhaust Pipes Catless Straight Downpipe
For Nissan 370Z Infiniti G37 3.7L V6 Exhaust Pipes Catless Straight Downpipe is a stainless steel performance upgrade priced at $127.79. Features a 2.5-inch mandrel-bent design for increased airflow, delivering 10-15 hp/torque gains. Best for off-road and racing use where emissions compliance isn't required.
● In stock
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Key features
- Stainless steel construction for durability
- 2.5-inch mandrel bent piping for flow
- Catless design removes catalytic restriction
- Direct bolt-on fitment with included hardware
- TIG-welded CNC flanges for precision seal
- Gains of 10–15 hp and torque
- For off-road and racing use only
Pros
- +Increases horsepower and torque output
- +Improves exhaust flow and engine sound
- +Durable stainless steel resists corrosion
Cons
- −Not legal for street or California use
- −Requires professional installation
- −No installation instructions included
About For Nissan 370Z Infiniti G37 3.7L V6 Exhaust Pipes Catless Straight Downpipe
What is For Nissan 370Z Infiniti G37 3.7L V6 Exhaust Pipes Catless Straight Downpipe?
This high-performance catless straight downpipe is engineered for Nissan 370Z (Z34; 2009–2018) and Infiniti G37 (V36; 2008–2013) models equipped with the 3.7L V6 VQ37VHR engine. Constructed from durable stainless steel with mandrel-bent tubing, it replaces the factory downpipe to eliminate catalytic restriction, enhancing exhaust flow for improved power delivery. Designed for off-road and competition use, it is not legal for street use in any state, especially California.
Key features
- Stainless Steel Build — High-grade stainless steel ensures long-term corrosion resistance and heat durability.
- 2.5-Inch Mandrel Bent Piping — Maintains consistent diameter for maximum exhaust flow and reduced backpressure.
- Catless Design — Removes catalytic converter to boost engine output and exhaust note.
- CNC Flanges with TIG Welding — Precision-fit flanges ensure leak-free, secure installation.
- Bolt-On Fitment — Direct replacement with included hardware; no modifications required.
- HP and Torque Gains — Delivers an estimated 10–15 horsepower and torque increase.
- Racing/Off-Road Use — Intended strictly for non-street-legal applications.
Who is For Nissan 370Z Infiniti G37 3.7L V6 Exhaust Pipes Catless Straight Downpipe for?
This downpipe suits performance enthusiasts and track-day drivers seeking enhanced engine breathing and a more aggressive exhaust tone. It’s ideal for modified 370Z and G37 vehicles used in motorsports or closed-course events. Not recommended for daily drivers or regions with strict emissions laws.
How does For Nissan 370Z Infiniti G37 3.7L V6 Exhaust Pipes Catless Straight Downpipe compare?
Compared to stock or high-flow catalytic downpipes, this catless version offers superior flow and power gains but lacks emissions compliance. It outperforms standard polypropylene or mild steel exhaust components in durability and thermal resistance. While cheaper than full exhaust systems, it requires tuning for optimal results and is less street-friendly than catted alternatives.
Best use cases
- →Track day performance upgrades
- →Racing and competition vehicles
- →Off-road enthusiast builds
- →Engine tuning and ECU remapping
- →Aggressive exhaust sound tuning
Is For Nissan 370Z Infiniti G37 3.7L V6 Exhaust Pipes Catless Straight Downpipe right for you?
This downpipe is best for experienced car modifiers or racers with Nissan 370Z or Infiniti G37 models. Requires professional installation and engine tuning. Not for daily drivers or emissions-regulated areas. Consider catted downpipes or full exhaust systems for street-legal performance.
How it compares: Compared to catted downpipes, this catless version offers better flow and power but lacks emissions compliance. It's more affordable than full stainless exhaust systems but less versatile for street use than high-flow catalytic options.
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What vehicles fit the For Nissan 370Z Infiniti G37 3.7L V6 Exhaust Pipes Catless Straight Downpipe?
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It fits Nissan 370Z (Z34; 2009–2018) and Infiniti G37 (V36; 2008–2013) with the 3.7L V6 VQ37VHR engine. Always verify compatibility with your specific model year before purchase.
Does the downpipe come with installation hardware?
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Yes, it includes all necessary hardware for installation as shown in product images. However, no instructions are provided, so professional help is recommended.
How much power does the catless downpipe add?
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Expect gains of 10 to 15 horsepower and torque due to improved exhaust flow. Results may vary based on supporting modifications and engine tuning.
Is this downpipe legal for street use?
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No, it is designed for off-road and racing use only. It is not emissions-compliant and cannot be used on highway-registered vehicles, especially in California.
Can I install this downpipe myself?
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While it's a bolt-on part, professional installation is highly recommended due to exhaust system complexity and the need for proper alignment and tuning afterward.
How much does For Nissan 370Z Infiniti G37 3.7L V6 Exhaust Pipes Catless Straight Downpipe cost?
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For Nissan 370Z Infiniti G37 3.7L V6 Exhaust Pipes Catless Straight Downpipe is $127.79 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is For Nissan 370Z Infiniti G37 3.7L V6 Exhaust Pipes Catless Straight Downpipe in stock at Lab Work Auto?
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Yes, For Nissan 370Z Infiniti G37 3.7L V6 Exhaust Pipes Catless Straight Downpipe is currently in stock at Lab Work Auto.
Specifications
- SKU
- F8-020528