Custom Nissan Infiniti Downpipe
VQ37VHR test pipe, 370Z test pipe, Q50 test pipe, titanium 370Z downpipe, stainless 370Z test pipe, 2.5 inch 370Z test pipe, 3 inch 370Z test pipe, resonated test pipe, catted downpipe Infiniti, Q50 Q60 Y-pipe, 370Z mid Y-pipe, VQ37 exhaust pipe, Nissan Infiniti downpipe OEM, ODM VQ test pipe, titanium test pipe, 370Z cat delete, Q50 resonator pipe, Nissan Infiniti downpipe manufacturer, private label 370Z downpipe
Place of Origin: China
Minimum order quantity: 20
Packing: Carton Packing
Delivery time: 50
Model: cusom
Type: Intercooler
Certification: ISO9001
Product description
The VQ37VHR responds to exhaust flow the way a turbo engine responds to boost. The factory catalytic converters sit directly behind the manifold collectors, forcing exhaust gas through a dense ceramic matrix that chokes flow and suppresses the very sound that makes the VQ worth modifying. Remove those converters -- with a straight test pipe, a resonated test pipe, or a high-flow catted pipe -- and the engine transforms. Sharper throttle through the mid-range. Stronger pull to the 7,500 RPM redline. A cleaner, more aggressive V6 howl that rises in pitch and intensity as the revs climb. The difference between the factory exhaust note and an opened-up VQ is the difference between hearing the engine and feeling it.
Two diameters. Two materials. Multiple configurations. The 2.5-inch test pipe is the standard for naturally aspirated VQ builds -- maintains exhaust gas velocity for optimal scavenging efficiency, sharpens throttle response without sacrificing mid-range torque. The 3-inch test pipe is for high-compression builds, forced induction conversions, and customers who want maximum top-end flow with a deeper exhaust tone. Stainless steel for the volume tier -- cost-effective, durable, TIG welded under argon back-purge. Titanium for the premium tier -- 45% lighter, blue burnt heat-treated finish, same weld quality, same fixture-checked fitment. Resonated pipes for customers who want the flow without the rasp. Catted pipes for customers who need emissions compliance. Y-pipes for customers replacing the factory stamped merge collector. The configurator is built into our production line: pick your platform, your diameter, your material, your configuration, and your finish. We build the rest.
Every variant in these images is fixture-checked on a real vehicle. The 370Z test pipes clear the factory subframe and transmission crossmember. The Q50 and Q60 downpipes route cleanly through the VR30 engine bay, clearing the steering shaft and the factory heat shielding. The Y-pipes bolt to the factory manifold studs on one end and the factory catback flange on the other -- same bolt pattern, same gasket surface, same angle. The O2 sensor bungs sit in the correct positions with the correct thread pitch. The flex sections absorb engine rock without transferring stress. Every flange is CNC-machined flat. Every weld is back-purged. No close-enough. No cross-your-fingers. Just parts that fit.
Product details
What you control: platform. Material -- SS304 or Grade 1 titanium. Diameter -- 2.5-inch or 3-inch. Configuration -- catless straight, resonated, catted, or Y-pipe. Finish -- polished stainless, brushed titanium, or blue burnt titanium. Gasket and hardware kit included. Laser-etched logo. Private-label packaging. 100,000 square feet. One factory. Your brand. 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.