Description
The do88 Performance Intercooler J-Pipe (TR-250-S) is a heavy-duty, high-flow replacement for the OEM plastic J-pipe on BMW M2C, M3, and M4 F8X models. The factory J-pipe is a known weak point, prone to cracking and boost leaks—especially on tuned vehicles. do88 eliminates this failure point with a 3.5” cast aluminum J-pipe, designed for maximum durability and airflow efficiency.
Key Benefits & Features
Stronger & More Durable Than OEM
- 6061 aluminum construction replaces the weak plastic OEM J-pipe, preventing cracks, leaks, and boost loss.
- Includes a stainless steel C-clip for secure throttle body attachment, eliminating the flimsy OEM plastic retaining clip.
Larger Diameter for Increased Airflow
- The OEM J-pipe measures 3.3” (85mm), while many aftermarket options shrink to 3” (76mm)—reducing airflow.
- The do88 J-pipe is a true 3.5” (89mm) cast aluminum piece, offering smoother routing and better flow characteristics.
- Flow-tested on a Superflow bench, proving better efficiency than both stock and competing aftermarket options.
Optimized Design for Maximum Performance
- Unlike welded, mandrel-bent 3” pipes, which introduce airflow turbulence, the do88 J-pipe is a single-piece casting, maintaining a consistent 3.5” diameter all the way to the throttle body.
- This design ensures optimal boost pressure delivery and better throttle response.
Methanol/Nitrous Injection-Ready
- Features two 1/8-27 NPT ports for methanol or nitrous injection, allowing easy integration into high-performance builds.
- Comes with pre-installed blanking plugs for those not using the ports.
Complete Installation Kit
- Includes a reinforced matte black silicone hose coupler and matte black hose clamps for a stealthy, OEM+ look.
Why Upgrade to the do88 Intercooler J-Pipe?
- Prevents Common OEM Failures: The stock plastic J-pipe is a known weak point, often cracking under high boost.
- Better Performance & Airflow: The 3.5” cast aluminum construction offers smoother flow, resulting in more efficient boost delivery.
- Ideal for Tuned & High-Performance Builds: Supports higher boost levels, methanol/nitrous injection, and maximizes power output.
- Direct Bolt-On Fitment: Engineered for easy installation, using factory-style connections for a hassle-free upgrade.
Direct Fitment – Compatible Models
The do88 Performance Intercooler J-Pipe (TR-250-S) is designed to fit the following BMW M models:
- BMW M2 Competition (F87) – 2019-2020
- BMW M3 / M3 Competition (F80) – 2015-2018
- BMW M4 / M4 Competition / M4 GTS / M4 CS (F82/F83) – 2015-2020
The standard shipping rate applies to orders within the continental United States. If you intend to place an order outside of the continental US, please reach out to support@x-ph.com for assistance.
