4" Quad Tips Catback Exhaust System For 2015-2021 Subaru WRX STi 2.0L 2.5L Stainless Steel
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Experience the perfect blend of quality engineering and exceptional value with these high-performance Exhaust System. Manufactured from durable T-304 stainless steel with precision CNC-machined flanges and TIG/MIG welded construction, they deliver superior durability and flow characteristics. Computerized mandrel bending technology ensures smooth exhaust airflow for improved scavenging and reduced back pressure.
Features:
- Made of High Quality T-304 Stainless Steel with Computerized Mandrel-Bends for Strength and Durability
- Cast flanges - optimum fitment and durability
- Machine welded - Fantastic appearance and uniform strength
- QUAD Straight cut Titanium colored Tips
- Exhaust Tubing Material: Stainless Steel
- Main Tubing Diameter: 3.15"
- Tip Quantity: 4
- Tip Material: Stainless Steel
- Tip Outlet Diameter: 4"
- Tip Style: Single Layer
- Professional installation is highly recommended
Fitment:
For 2015+ WRX / STI R400 Gemini Quad Tips Exhaust
| VEHICLE NAME | YEAR | ENGINE |
|---|---|---|
| Subaru WRX | 2015~2021 | --|2.0L|2.5L |
| Subaru WRX STI | 2015~2021 | --|2.5L |
SHIPPING & DELIVERY
Fast Processing & Reliable Transit
- Processing: Orders are processed and shipped from the nearest warehouse within 24 hours.
- Delivery: Estimated delivery time is approximately 4 to 5 business days.
RETURNS & EXCHANGES
30-Day Hassle-Free Policy
- Return Window: We offer a 30-day return policy from the date of delivery.
- Process: To initiate a return or exchange, please contact our customer service team first to receive authorization and instructions.
WARRANTY
2-Year Limited Replacement Warranty
- Duration: All products are backed by a 2-year limited warranty.
- Coverage: This warranty covers manufacturing defects and product failures under normal use, and provides a replacement for qualified cases (repairs are not performed).
CUSTOMER SUPPORT
We’re Here to Help – Contact Us First
- Priority Contact: For any order-related issues—including returns, warranty claims, or general inquiries—please contact us first before taking further action. We are committed to resolving your concern promptly.
- Feedback Notice: If you are unsatisfied, we kindly ask that you allow us an opportunity to address the issue before leaving neutral or negative feedback.
- Email Support: You can reach us at support@SAMEXHAUST.com.
Attention
Products on this site are for off-road/racing use only and are not legal for public roads where emissions laws apply.
Professional installation recommended. Removing emissions equipment (DPF, CAT, SCR, DOC) requires deleting related sensors and a compatible tuner to avoid engine codes.
Performance gains may vary—no guarantees.

