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If you're already familiar with the Trackslag way of thinking, you'll know that this won't just be another version of something that's already available. 

We've been developing 3.5" downpipes for the Tfsi/Tsi range since 2015. Not only does this downpipe give gains at the top end of the rev range,  it also improves spool, giving a wider power band. These turbos need all the help they can get with heat management, so the larger diameter of this downpipe and the fact that it doesn't need heat wrapping will assist with exhaust gas temperature management.  

Our unique design means that the 3.5" section is longer than on any other downpipe available for the 4wd platform, yet still gives more clearance for the gear selector cables than most 3" downpipes. Gear selector cable position can be fairly random from car to car, be it that they were built that way, or they've been worked on previously (Clutch change?) or the cables have simply sagged. We made this downpipe with enough clearance from the selector cables on a relatively new, low mileage car, but we urge people to use common sense when fitting the downpipe and if necessary, lift the cables. (Sorry to state the obvious there!)

Who should order the silenced version? 

• Silenced option not available for TT platform. Whilst it's available for S3, the TT catback effects the position of the downpipe.

Does it come with a turbo to downpipe gasket?

No it doesn't, but you can add one to your order here if you don't have one already. 

Usual Trackslag standards apply to this downpipe. Designed and manufactured in England, made from European sourced stainless steel under one roof. It's a two piece downpipe joined by a pair of reliable two bolt flanges. It starts with 3.5" pipework, before gently transitioning to 3" just before the flex. We use an OEM style 3" soft flex to improve durability and reduce vibration. 

We've terminated the downpipe with straight 3" pipe, making it easier for you to hook up to your OEM, or aftermarket exhaust. We can supply a nice cone reducer for those wishing to keep the standard exhaust, or a straight 3" sleeved length for those with 3" aftermarket exhausts and a 2.75" adapter for those with the Milltek 2.75" system.

Will the car need tuning?

Yes it will. This downpipe will allow the turbo to spool earlier than what your software is expecting. This will lead to uncontrolled boost, leading to intervention by the ecu. The car will also protect itself by injecting more fuel than it needs. This will be evident by a deeper/louder tone to the exhaust, with lots of pops, burbles and bangs. If you have bought the catalyst version of our downpipe, you really want to avoid this as it will damage the catalyst in a short period of time!