Upgrade your Volkswagen MK7 GTI with the CTS Turbo Downpipe with High- Flow Cat. This downpipe was engineered to improve exhaust flow, reduce backpressure, and unlock additional horsepower and torque.
The stock exhaust system is tuned for comfort and noise control. A freer-flowing exhaust helps the turbo work more efficiently, sharpens response, and adds the kind of sound enthusiasts want without losing daily drivability.
Quick Fitment Overview
- Compatible with Volkswagen MK7/MK7.5 GTI
- Helps reduce restriction and improves exhaust flow
- Enhances sound and overall response
- Well suited for daily and performance use
Product Description
The CTS Turbo Downpipe with High-Flow Cat is engineered to improve exhaust flow, reduce restriction, and unlock additional horsepower while maintaining a refined, high-quality appearance.
Designed for performance and ease of installation, this system features a CNC-machined turbine discharge (downpipe) flange, mandrel-bent 3-inch stainless steel tubing, and a modular design that simplifies catalytic converter installation. Smooth transitions throughout the system promote optimal exhaust gas flow, helping improve turbo efficiency and overall engine performance.
Key Features and Benefits
- T304 seamless stainless steel tubing
- T304 stainless steel flanges
- 100% TIG-welded and back purged
- T304 stainless steel 02 bung
- Stainless steel clamps
- Great sound even with factory exhaust, no drone
- Reduces restriction and improves exhaust flow
- Enhances exhaust tone and overall character
- Supports stronger turbo response on stock and tuned cars
- Built for long-term durability and consistent fitment
Vehicle Compatibility
- Volkswagen MK7/MK7.5 GTI (2015–2021)
Installation and Notes
- Professional installation recommended
- Stage 2 ECU tuning required to prevent check engine light
- Inspect exhaust connections and ensure proper sealing during installation
Recommended Upgrades
- Catback exhaust
- High-flow air intake
- Turbo inlet pipe
- ECU tuning
Frequently Asked Questions
Q: What is the difference between a catted and catless downpipe?
A: A catted downpipe includes a high-flow catalytic converter, offering improved performance while maintaining a more refined exhaust setup compared to a catless system.
Q: Does this downpipe require tuning?
A: Yes. Stage 2 ECU tuning is required to avoid a check engine light.
Q: Will this increase exhaust sound?
A: Yes. It produces a more aggressive exhaust tone while remaining quieter than a catless downpipe.
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