





Subaru 6MT High Flow Cat Resonated Pipe Intake Tube Exhaust For 15-21 WRX
Bull Boost Performance J-Pipe for 2015+ Subaru WRX
Upgrade your 2015+ Subaru WRX with the Bull Boost Performance J-Pipe, designed to enhance turbo performance, improve exhaust flow, and maximize power gains. Engineered for precision fitment and durability, this J-Pipe has been dyno-tested to deliver a significant increase in horsepower and torque when paired with custom tuning.
Proven Performance Gains:
- 26.7whp (14.1%) and 19.8wtq (9.0%) increase over stock with tuning.
- Potential gains of 45whp (27%) and 70wtq (41%) on a fully stock vehicle with tuning.
Key Features:
- Innovative Turbo Flange Design – ½-inch thick for durability while retaining all OEM brackets.
- One-Piece Tube Construction – Ensures exact fitment, strength, and ease of installation.
- Optimized 3.5" to 3" Transition – Matches turbine outlet size and reduces smoothly to maintain exhaust velocity.
- Efficient Tube Routing – Maximizes ground clearance while minimizing flow restrictions.
- Custom Stainless Turbo Studs – Replaces weak OEM studs for improved reliability.
- Integrated 3rd O2 Bung – Allows for future use of aftermarket sensors.
- Factory-Style Grounding Strap Mount – Maintains OEM functionality.
- High-Flow Catalytic Converter (Catted Models Only) – Features a 300-cell metallic substrate for reduced restriction without excessive emissions odor.
Pairs well with
Ships within 1-2 business days.
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Subaru 6MT High Flow Cat Resonated Pipe Intake Tube Exhaust For 15-21 WRX
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.


