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HFE Audi TT RS Heat-Shielded Stainless Steel Downpipe – MK3 8S 2017+
HFE Audi TT RS Heat-Shielded Stainless Steel Downpipe – MK3 8S 2017+
HFE Audi TT RS Heat-Shielded Stainless Steel Downpipe – MK3 8S 2017+
HFE Audi TT RS Heat-Shielded Stainless Steel Downpipe – MK3 8S 2017+
HFE Audi TT RS Heat-Shielded Stainless Steel Downpipe – MK3 8S 2017+
HFE Audi TT RS Heat-Shielded Stainless Steel Downpipe – MK3 8S 2017+

HFE Audi TT RS Heat-Shielded Stainless Steel Downpipe – MK3 8S 2017+

£849.99£599.99

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High Flow Engineering 2.5TFSI Downpipe Heat-Shielded Exhaust Upgrade

Improve exhaust flow and unlock the performance potential of Audi’s iconic 2.5 TFSI engine with the HFE Heat-Shielded Stainless Steel Downpipe for the TT RS 8S. Designed to replace the restrictive factory downpipe, this high-flow upgrade reduces exhaust backpressure, improves turbo response, and supports significant power gains — making it an essential modification for tuned and performance-driven TT RS builds.

⚠ IMPORTANT – EMISSIONS & MOT NOTICE

This downpipe is intended for off-road or motorsport use only. It is not emissions compliant for UK road use and may result in a UK MOT emissions failure. ECU remapping is strongly recommended after installation to ensure correct engine operation and maximise performance gains.

Key Features＋
  • High-Flow Stainless Steel Construction: Reduces exhaust restriction compared to the factory downpipe.
  • Integrated Heat Shield: Helps reduce radiant heat within the engine bay.
  • Mandrel-Bent Tubing: Smooth internal bends for consistent exhaust gas flow.
  • TIG-Welded Joints: Designed for strength and durability under high temperatures.
  • Improved Turbo Response: Faster spool and sharper throttle response.
  • Direct-Fit Design: Bolts directly into the OEM location.
Why Upgrade Your TT RS Downpipe?＋
  • The factory downpipe is a primary restriction on the 2.5 TFSI engine.
  • Improves exhaust gas flow and turbo efficiency.
  • Supports higher power levels on tuned vehicles.
  • Reduces exhaust gas temperatures under load.
  • Essential upgrade for Stage 2 and track-focused setups.
Technical Specifications＋
  • Material: 304 High-grade stainless steel
  • Design: High-flow downpipe with heat shield
  • Construction: Mandrel bent & TIG welded
  • Fitment: Direct OEM replacement
Vehicle Compatibility＋
  • Audi TT RS: 8S (2017+)

✔ Designed specifically for the DAZA 2.5 TFSI engine
✔ Compatible with factory and most aftermarket cat-back exhausts
✔ ECU remap recommended for best results

Installation＋
  • Remove the factory downpipe.
  • Install the HFE downpipe using OEM mounting points.
  • Confirm correct heat-shield positioning.
  • ECU calibration recommended after installation.
  • Professional installation advised.
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⚠️ DISCLAIMER Unless explicitly stated otherwise, all products sold by DC Prestige Online LTD are designated race-only and are solely for competition or off-road use limited to racing formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, may be in violation of local, state, and Federal laws. DC Prestige Online LTD does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer. Read our full terms of service here.

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Last updated: 07/09/2025

We want you to be confident when shopping with us. This page explains your rights and our terms for deliveries, returns, refunds, exchanges, and digital products. It applies to UK and international customers.

1. Standard Returns (UK & International)

  • Notify us within 14 calendar days of receiving your order if you wish to return.
  • Once approved, you have a further 14 days to send the goods back.
  • Items must be unused, uninstalled, and in original packaging, with proof of purchase.
  • Refunds are processed to your original payment method within 14 days of receiving goods (or proof of postage).

Note: Standard delivery costs will be refunded; upgraded shipping (e.g., next-day) is non-refundable. You are responsible for return postage unless the item is faulty, damaged, or incorrect. Used, installed, or damaged goods beyond reasonable inspection may incur up to 50% deduction from the refund.

2. Special Order & Custom Goods

  • Special-order parts must be returned within 7 days (if non-faulty) and may incur up to a 50% restocking fee, depending on supplier terms.
  • Custom-made or made-to-order goods are non-returnable unless faulty or not as described.
  • Faulty or incorrect items may be returned within 30 days for refund, repair, or replacement.
  • Customers are responsible for providing accurate specifications; we are not liable for errors due to incorrect information.

3. Damaged, Faulty, or Incorrect Items

  • All products are inspected before dispatch.
  • If your order arrives damaged, faulty, or incorrect:
  • Contact us immediately with clear photos of the product and packaging.
  • We will cover return shipping costs and issue a refund, repair, or replacement.
  • If a parcel arrives visibly damaged, sign as “damaged” (if possible) and notify us straight away.

4. Non-Returnable Items

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  • Hazardous materials, flammable liquids, or gases
  • Services such as painting, ceramic coatings, or extended warranties

5. Exchanges

  • To exchange an item, return it via the standard process and place a new order for the replacement.
  • Customers are responsible for return and new delivery costs.
  • If the exchange is due to a faulty or incorrect item, we will cover return shipping and send the replacement free of charge.

6. Installation at D&C Prestige

  • Cancellations or changes made less than 48 hours before your installation appointment will forfeit your fitting deposit.
  • If you cancel and request a product refund, a 15% restocking fee applies, along with the deposit fee (if applicable).

7. Shipping & International Deliveries

  • In-stock items typically dispatch within 1–2 business days; some items may take up to 72 hours or longer during busy periods.
  • Tracking information will be provided once the order is shipped.
  • International customers are responsible for customs duties, taxes, and import fees unless the item is faulty or incorrect.
  • Refunds for international returns are issued in GBP. Currency conversion fees, bank charges, and international transaction costs are the customer’s responsibility.
  • We are not liable for customs delays, clearance costs, or refusal of goods by customs authorities.

For full details, see our Shipping Policy.

8. Digital Products (Downloads, Codes, Software)

  • Digital content (e.g., Bootmod3, XHP) is typically delivered immediately or within 24 hours via email or account access.
  • By purchasing, you agree that delivery is deemed to have started once payment is made, and you waive your right to cancel under the 14-day cooling-off period allowed by UK law.
  • Refunds are only provided if the product is faulty, inaccessible due to our error, or not as described.
  • You are responsible for ensuring compatibility with your vehicle, hardware, or software; refunds are not offered if supplied correctly but incompatible due to buyer error.
  • International customers agree to the same terms.

9. How to Start a Return

  1. Visit our Contact Page and provide your full name, order number, and reason for return.
  2. Wait for return authorisation and instructions before sending your item.
  3. Once received and inspected, we’ll notify you of approval or rejection of your refund.

Proof of return: Customers must retain proof of postage for all returns. Tracked and insured services are strongly recommended.

Refund method: Refunds are issued only to the original payment method used for the purchase. We cannot refund to alternative cards, accounts, or payment services.

Refused or undeliverable parcels: If a delivery is refused, unclaimed, or undeliverable due to incorrect address details provided, the customer will be responsible for return shipping costs and any applicable restocking fees.

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HFE Audi TT RS Heat-Shielded Stainless Steel Downpipe – MK3 8S 2017+