HKS 09+ GTR Flux Welded Legamax Premium Exhaust - Black Ops Auto Works
HKS 09+ GTR Flux Welded Legamax Premium Exhaust - Black Ops Auto Works
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HKS 09+ GTR Flux Welded Legamax Premium Exhaust

HKS
HKS31021-KN001
4957266931066
Catback
20+ Units In Stock - Ships Next Business Day
$ 2,600.00
FREE Ground Shipping!
$ 2,600.00

SKU: 31021-KN001 | UPC: 4957266931066

HKS 2009+ Nissan GT-R Flux Welded Legamax Premium Exhaust

The HKS Legamax Premium Exhaust is a full cat-back system designed exclusively for the 2009+ Nissan R35 GT-R. It replaces the stock exhaust from the catalytic converters back with flux welded stainless steel piping for smoother flow and direct bolt-on fitment across all GT-R trims. This setup delivers measurable power gains of up to 15PS at 5500rpm lighter weight by 10kg over stock and a deep aggressive exhaust tone at 97dB under acceleration.

Key Features

  • Flux Welded Construction: Seamless internal and external welds using SUS304 stainless steel create uninterrupted exhaust flow reduce turbulence and provide a polished finish that resists corrosion
  • Weight Reduction: At 18.5kg this system shaves 10kg off the factory 28.5kg exhaust improving handling balance and acceleration without sacrificing durability
  • Optimized Pipe Design: Variable diameter piping from 85.6mm to 120mm with Silent Hi-Speed spec enhances scavenging efficiency for stronger mid-to-high RPM power delivery
  • Refined Sound Profile: Produces 97dB jet sound and 104dB acceleration noise for a sporty roar that complies with street regulations while amplifying the GT-R flat-six turbo soundtrack
  • Precision Fitment: Engineered as direct replacement using stock mounting points catalytic converters and hangers for hassle-free installation on all R35 GT-R variants

Product Notes

  • Flux welding requires no painting or finishing touch-ups post-installation
  • Clean exhaust tips regularly to maintain appearance and performance
  • Ships fully assembled ready for bolt-on replacement

Installation Notes

  • Professional installation recommended.
  • Bolt-on design reuses factory gaskets and hardware no cutting or welding needed
  • Align tips symmetrically during final torque for optimal aesthetics and flow

This Part Fits

Year Make Model Submodel
2009-2024 Nissan GT-R Base
2009-2020 Nissan GT-R Premium
2009-2016 Nissan GT-R Black Edition
2017-2020 Nissan GT-R Track Edition
2015-2024 Nissan GT-R NISMO

Why Choose HKS?

  • Decades of JDM tuning expertise powering factory teams and street cars worldwide
  • Rigorous dyno and track testing ensures real-world gains on GT-R platforms
  • Advanced manufacturing like flux welding sets benchmarks in exhaust technology

Frequently Asked Questions

  • Q: Will this exhaust fit 2017+ GT-R NISMO models?
    A: Yes it bolts directly onto all 2009-2024 R35 GT-R including NISMO Track Edition and Black Edition with no modifications using stock cats and hangers
  • Q: What materials are used in construction?
    A: Full SUS304 stainless steel piping with flux welded seams for strength durability and smooth interior surface plus 120mm stainless tips
  • Q: What warranty covers this product?
    A: HKS offers a 1-year limited warranty against manufacturing defects when installed by certified shops contact retailer for details

Shipping & Handling

  • Method: UPS Ground oversized
  • Availability: In stock - ships same or next business day
  • Packaging: Securely boxed dimensions 55 x 25 x 25 inches
  • Weight: 55 lbs shipping 40.8 lbs product

Request For Information

Have questions about HKS 09+ GTR Flux Welded Legamax Premium Exhaust? Fill out the form below and we'll get back to you by the next business day.
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