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TEC Full Decatted Stainless Exhaust System – Speed 400 / Scrambler 400X

Name: TEC Full Decatted Stainless Exhaust System - Speed 400 / Scrambler 400X
Brand: TEC
SKU: T40-FULL-EXHAUST
Availability: InStock

~~Price range: £309.99 through £327.00~~
Price range: £247.99 through £261.60

IMPORTANT – READ BEFORE BUYING: The product is strictly for off-road/race/demonstration use only. It is not road legal for emissions in the EU or the UK. It is the customer’s responsibility to use this item responsibly to comply with local laws. These parts are not BS-marked, E-marked, or TUV-approved.

Important: If your bike is Euro 5+ (2025 onward), it will have an extra O2 sensor on the exhaust. If this is the case, this exhaust will NOT fit your bike. Please see the final image in the gallery – this is the sensor we mean.

Please watch our video below for full information on running this exhaust, the benefits and for full sound tests.

Premium Materials: Crafted from full 304 stainless steel with a genuine carbon fibre end-cap for durability and style.

Customizable Sound:

With Baffle: Produces a deep tone with a dB level similar to the stock exhaust.
With (Optional) Quiet Baffle: Produces a deep tone with a dB level quieter than the stock TEC baffle.
Without Baffle: Delivers a louder, even deeper tone for an enhanced sound experience.

Exclusive TEC Design: Unique, laser-marked design, manufactured by TEC.

Complete Fitting Kit Included:

1x Stainless Steel Decat Front Pipe
1x Heat Shield Mounting Bracket
2x Heat Shield Mounting Bracket Clamps
2x Stainless Steel Exhaust Clamps
1x TIG-welded Stainless Offset Link Pipe
1x Gasket for Link to Front Pipe
1x Silencer Mounting Bracket
All necessary nuts, bolts, and spacers

No ECU Modification Required: However, we recommend removing the snorkel from the airbox to prevent the bike from running too rich at high RPM.

Enhanced Design & Weight Savings:

Maintains a clean, consistent angle in line with the front pipe outlet, avoiding the sharp upward angle of other aftermarket silencers.
Significantly lighter – The Triumph stock system weighs 10kg, our TEC system weighs 3.8kg. A 62% weight saving!
Much more aesthetically pleasing than the stock silencer.

Installation & Sound Test Video:

SKU: T40-FULL-EXHAUST Categories: Exhausts, Exhausts, Exhausts and Slip-Ons, Performance Parts, Performance Parts, Performance Parts, Scrambler 400 X, Speed 400, Triumph - Watercooled, Triumph water-cooled (2016 models on), Uncategorised

TEC Full Decatted Stainless Exhaust System - Triumph Speed 400 / Scrambler 400X.

I ordered this exhaust system for my Speed 400 as I was impressed by the looks and weight saving as well as the prospect of a much better sound - I was also surprised by the price which seems extremely reasonable. The exhaust arrived within 48 hours which was great service and upon unpacking the finish and quality exceeded my expectations. With the aid of the TEC Installation video (really helpful and the presenter is clearly a motorbike enthusiast and very knowledgeable with a relaxed and friendly presentation) fitting the new system was very straightforward and it looks excellent on the bike - the sound is superb, although with the baffle out just a bit too loud for me... I'm absolutely delighted and would highly recommend this product without hesitation, it's a lovely upgrade and in this day and age exceptional value for money. Dave , Cornwall.