Our 1.8T 3" turbo-back exhaust systems combine our 3" downpipes and our 3" cat-backs for a perfect fit from turbo to tailpipe. Thanks to the modular construction of our downpipes, these turbo-back exhaust systems allow the user to switch between street and race series at any time. Six unique tip fitments allow fitment to any mk4 VW 1.8T.
Repeating the features of our downpipes and cat-backs would only make a long story longer. To review the construction, fitment, and details of both products please visit their individual product pages:
VW mk4 1.8T 3" Downpipe
VW mk4 3" Cat-back Exhaust
Though the construction of our downpipes and cat-backs remain the same, we can discuss one feature unique to our 1.8T 3" turbo-back systems - power gains. In our extensive testing we were able to dyno test a 'typical' mk4 and measure the changes. We used a relatively stock 2002 GTI 337 edition. The car was chipped, had a cold air intake, and an aftermarket diverter valve. No other engine modifications were made to the car. Equipped with stock exhaust, we drove the car thoroughly and dyno tested it. The stock exhaust was swapped out for our 3" turbo-back system and the car was driven to adapt then dyno tested again. With weather conditions literally exact we measured peak gains of 22.5 hp and 48 lb/ft to the wheels! Power gains were felt all over. Boost was built faster and held out longer with the stock turbocharger. No power losses were felt at any point in the powerband. To view a full size, un-altered dyno sheet click here: mk4 1.8T dyno chart
Our 3" turbo-back exhaust systems are available in street and race configurations with 6 unique tip configurations. Pricing starts at $705 and depends on series and tip fitment.
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Installation Instructions
