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Stainless steel downpipe 1.9 TDI for Audi A3 8L / VW Golf IV / Seat Leon 1M - TA Technix
- Removes stock catalyst restrictions to unlock turbo potential
- Significant power gain with Stage 1 or Stage 2 reprogramming
- Made of stainless steel – maximum durability against heat and corrosion
- Direct fit (plug & play) for vehicles equipped with the 1.9 TDI engine
- Compatible with Audi A3 8L, Golf IV, Bora, Leon 1M, Toledo II, Octavia 1U, New Beetle
- Improves engine sound – sportier note without being intrusive
- Lighter exhaust line – better engine responsiveness
- Ideal for tuning, trackday or dynamic driving enthusiasts
- Excellent value for money for a real performance improvement
TA Technix stainless steel downpipe for 1.9 TDI Audi A3 8L, VW Golf IV & Seat Leon 1M
The TA Technix 1.9 TDI stainless steel downpipe (for ALH, ASV, ARL engines, etc.) is designed to free the turbo from the constraints of the original catalyst. Made of TIG-welded stainless steel, it allows for better gas flow, reduces turbo lag and offers a noticeable torque gain from 1,500 rpm, with a smooth and deep sound. This complete kit includes flex pipe and gasket, for quick installation and guaranteed compatibility—no engine warning light. Ideal as an improved daily or as a Stage 1 base for a remapping project.
- Diameter 57 mm 304 stainless steel TIG welded – flow optimized for 1.9 TDI turbo
- Responsive turbo, better low-end torque – immediate feel
- Complete plug-and-play kit
- Compatible engines: 1.9 TDI ALH/ASV/ARL/ATD/ASZ, 90–150 hp (without Quattro/4Motion)
- Vehicles: Audi A3 8L, VW Golf IV/Bora 1J, Seat Leon 1M, Skoda Octavia 1U, New Beetle 9C/1C
TA Technix stainless steel downpipe benefits for 1.9 TDI Audi A3 8L, VW Golf IV & Seat Leon 1M
- Fully unleashed turbo : instant throttle response, improved turbo lag.
- Increased torque from low revs : improves urban driving and driving on winding roads.
- Quick and reversible installation : complete kit, no electronic adjustment required.
- Perfect to complete a reprogramming
Tuning tip: combine this downpipe with a stainless steel cat-back line to fully unleash the engine's potential.
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Suitable for:
- Audi A3 (8L)
- Seat Leon (1M), Toledo II (1M)
- Skoda Octavia including station wagon (1U)
- VW Beetle with Convertible (1C, 9C)
- VW Bora with station wagon (1J)
- VW Golf IV including Variant (1J)
- 1.9 TDI models without Quattro, 4-Motion


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