Custom Nissan SS304 Downpipe
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Place of Origin: China
Minimum order quantity: 20
Packing: Carton Packing
Delivery time: 50
Model: cusom
Type: Exhaust Downpipe
Certification: ISO9001
Product description
The VQ platforms are naturally aspirated, and that changes the exhaust math. A test pipe on a 350Z or 370Z does not just remove a restriction -- it changes how the exhaust pulses from each cylinder bank interact through the merge collector. Proper scavenging at high RPM depends on maintaining exhaust gas velocity. Too large a diameter and velocity drops. Too small and the pipe becomes a bottleneck. The 2.5-inch diameter we offer for naturally aspirated VQ35 and VQ37 applications lands in the sweet spot -- maximum scavenging efficiency, sharper throttle through the mid-range, stronger pull to redline. The 3-inch option is available for high-compression builds and forced induction setups where volume flow demands the larger pipe. Resonated variants add a Helmholtz chamber to cancel the specific high-frequency rasp that straight pipes produce, giving the VQ a cleaner, deeper tone without sacrificing flow.
The VR38 in the GT-R is a different animal entirely. Twin-turbocharged, capable of well over 600 horsepower with basic supporting mods, and critically dependent on downpipe flow. The factory units pack dense catalytic converters millimeters from the turbine outlets. Replacing them with catless downpipes -- in stainless for the volume tier or titanium for the premium, weight-conscious build -- removes the single largest restriction in the entire GT-R exhaust system. Faster spool. Sharper transient response. A significant drop in exhaust gas temperatures at the turbine. These are measurable changes, not subjective impressions, and they are the reason the GT-R downpipe is the first modification every tuned R35 receives.
Product details
Two materials. Two platforms. Every configuration. SS304 for the standard tier -- cost-effective, mandrel-bent, TIG welded under argon back-purge. Grade 1 titanium for the premium tier -- 45% lighter, blue burnt heat-treated finish, same weld quality, same fixture-checked fitment. Every downpipe and test pipe is bolted to a real engine in a real chassis before it ships. The flanges are CNC-machined to the exact manifold or turbine housing bolt pattern. The O2 sensor bungs are in the correct positions at the correct angles. The flex sections are integrated at the point of maximum engine movement. The catback adapter mates cleanly to the factory or aftermarket exhaust. Catless, resonated, or catted. Laser-etched logo. Private-label packaging. Your Spec. Our Factory.
application scenarios
Our performance intake parts are perfectly installed on BMW, Audi, Ford, GM, Nissan and other vehicles. Direct bolt‑on fit ensures stable performance, aggressive sound and upgraded engine‑bay aesthetics for daily driving, street racing and modified builds.
PRODUCT PARAMETER
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Description |
Titanium welding custom exhaust pipe |
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Material |
Titanium |
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Process |
pipe cutting+tube bending+deburrs |
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Tolerance |
+/-0.01mm |
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Surface treatment |
baking blue/baking purple/baking gold/polishing/brushed/mirror |
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Quality control |
0 defects,100% inspection before packing |
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Packing |
Inner:bubble poly bag,outer:5 layers ctn box or poly wooden box/pallet |
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Logistics service |
sea, air, express, EXW, FOB, CIF, DDU, DDP |
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Certifications |
ISO 9001 |
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warranty |
100% refund or replacement for NOK pcs |
CUSTOMIZATION AND SOLUTIONS
If you cannot find accurately products you prefer or your need, we can custom similar products based on your specifications, drawing, samples, or ideas. we will work out it for you.
Over 15 years performance industry's experience, and our 3 facilities to make sure your products or design to be complete with unique and different finished in the market, to beat your competitors.
No1 Industry facility TlG fabrication for titanium, aluminum, stainless steel
Projects: air intakes, exhausts, mufflers, water box, catch can, fuel tank, intercooler, radiator, oil cooler, control arms, Strut Braces & Bars, Engine Guard, Mold shield, bracket, bumpers, shelf, and other mold press works or Fabrication works.
WELDING
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Send your Sample, drawing, or use our mold or our jig |
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LOGO |
Laser cut and welding logo, or stamp logo, or laser logo |
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Welding |
TIG Welding fish skin or MIG Welding finish |
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Color |
Aluminum: powered coating black, red, polished |
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Color |
Titanium: blue*purple*gold*brushed*polished |
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Color |
Stainless: brushed or polished |
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Packing |
Custom Neutral packaging or print your logo |
Raw/Sample/Design/Logo/Color/Packages/Materials can be customized.