BMW N55 3.0T Performance Catless Decat Downpipe Kit (Premium T304 Stainless Steel)
$268.00
Sale price
$268.00
Regular price
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(Note: Please specify whether your vehicle utilizes the early 3.5-inch Pneumatic Wastegate [PWG] turbo housing or the later 4-inch Electronic Wastegate [EWG] v-band layout to ensure flawless mating fitment).
BMW N55 3.0T Performance Catless Decat Downpipe Kit (Premium T304 Stainless Steel)
$268.00
Sale price
$268.00
Regular price
Eliminate the primary restriction in your exhaust system and maximize turbocharger spool efficiency with the 7FIGURES AUTOMOTIVE Performance Catless Downpipe Kit. Precision-engineered strictly for BMW N55 3.0L TwinPower Turbo Inline-6 engines, this straight-through upgrade replaces the highly restrictive factory ceramic catalyst block with smooth, heavy-wall stainless steel to unleash massive power and a raw, acoustic exhaust note.
Key Product Technical Data & Bundle Contents
Every kit contains premium hardware carefully optimized for extreme temperature cycles and rust elimination:
- Piping Material: Grade-A T304 Mandrel-Bent Polished Stainless Steel
- Wall Thickness: 1.5mm Heavy-Gauge Construction (Prevents resonance/buzzing)
- Flex Section: Interlocking Inner Mesh Bellow (Relieves chassis vibration stresses)
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Bundle Add-Ons Included:
- 1x 90-Degree CEL Fixer/O2 Sensor Spacer (Minimizes catalyst efficiency fault triggers)
- 1x Roll of High-Temperature Basalt Exhaust Heat Wrap
- 4x Heavy-Duty Stainless Steel Locking Zip Ties
- Approximate Net Weight: 7.4 lbs (3.35 kg)
Core Engineering Advantages
Immediate Drop in Exhaust Backpressure
The factory catalytic converter acts as a severe thermal and flow bottleneck directly off the turbo exhaust housing turbine wheel. Our straight-through catless decat profile completely removes this restriction. Allowing spent exhaust gases to escape instantly drops turbine backpressure, giving you razor-sharp throttle response, noticeably quicker turbo spool-up, and higher peak horsepower on Stage 2+ ECU calibrations.
Mandrel Bends and Billet Flange Precision
To preserve laminar exhaust gas velocity, the pipe body is shaped using precise mandrel bending machinery to maintain a constant internal diameter throughout the radius. The extra-thick connection flange is 100% CNC machined from solid stainless steel billet to match the stock turbo exit perfectly, ensuring a flat, leak-free seal under extreme thermal expansion.
Professional Heat Wrap & Integrated Flex Section
High-performance tuning generates substantial downpipe radiant heat that can degrade surrounding engine bay plastics and hoses. The included titanium-look basalt heat wrap and metal ties allow shops or end consumers to insulate the downpipe fully. Furthermore, the integrated reinforced flex joint absorbs normal engine movement, preventing stress cracks at the turbocharger connection points over years of aggressive driving.
Comprehensive Vehicle Fitment
This hardware kit is designed for models equipped with the N55 single turbo 3.0L engine.
(Note: Please specify whether your vehicle utilizes the early 3.5-inch Pneumatic Wastegate [PWG] turbo housing or the later 4-inch Electronic Wastegate [EWG] v-band layout to ensure flawless mating fitment).
- BMW 1 Series / 2 Series: E82, E88, F20, F21, F22, F23 (135i, M135i, M235i, F87 M2)
- BMW 3 Series / 4 Series: E90, E92, E93, F30, F31, F34, F32, F33, F36 (335i, 435i)
- BMW 5 Series / 6 Series / 7 Series: F10, F11, F06, F12, F13, F01 (535i, 640i, 740i)
- BMW X Series: F15 X5, F16 X6 (35i Models)
Wholesale, Bulk OEM, and Sourcing Logistics
Operating as an integrated performance manufacturing hub and global wholesale exporter based in China, 7FIGURES AUTOMOTIVE supplies tier-one performance components safely across East Asia, Southeast Asia, and all major Western distribution networks.
Optimized Master Carton & Pallet Packaging
- Unit Packaging: Individual high-density corrugated boxes with custom EPE foam inserts to isolate aluminum piping and eliminate cosmetic finish scratches during transport.
- Master Carton Configuration: 4 complete kits per master carton to balance structural stability and manual handling efficiency. [1]
- Volumetric Efficiency: Engineered box dimensions maximize total unit yield per standard 20ft and 40ft HQ ocean containers, effectively dropping your per-unit landed freight costs.
Flexible OEM Customization & Private Labeling
- Laser Logo Etching: Free high-precision CNC laser marking on the aluminum pipe body for qualified bulk wholesale contracts.
- Silicone Coupler Branding: Custom-embossed or screen-printed brand logos on the 4-ply silicone couplers are available with low Minimum Order Quantities (MOQs).
- Custom Powder Coating: Options for alternative powder coat finishes (e.g., Gloss Red, Textured Silver) or raw aluminum look to match your brand's unique catalog aesthetics.
Consolidated Global Freight Forwarding
- Ex-Works (EXW) & FOB Agreements: Flexible shipping terms via major Chinese port hubs (including Ningbo, Shanghai, and Shenzhen).
- Express Air & Sea Options: Established logistics lanes using trusted air couriers for rapid sample testing, alongside reliable sea freight forwarders for commercial palletized cargo.
- Customs Compliance: All shipments are packed with harmonized tariff code indexing and comprehensive commercial invoices to guarantee streamlined clearance at destination ports.
To check real-time factory stock levels, request volume price breakdown sheets, or schedule an initial OEM production sample run for your brand, connect directly with our trade desk.