The OEM downpipe on the Mk6 GTI contains 2 catalytic converters which dampen the exhaust note considerably. Because of this, our HPA’s cat-back system is available in 2 different trim options, Street and Competition. Our Competition version is ideal for vehicles running the OEM downpipe, and for those who prefer a louder than OEM exhaust. In contrast, our Street version allows for a drone-free exhaust note suited for cars with aftermarket high-flow downpipes, where exhaust shock waves are not dampened as with the OEM catalytic converter. Alternatively, vehicles fitted with the OEM downpipe can enjoy true OEM-like volume under daily driving conditions when the HPA mid-muffler is added. Competition exhaust owners may purchase the add-on muffler from our Street cat-back separately if desired.
HPA’s Cat-Back Exhaust Systems redefine your expectations of a performance exhaust system. Enjoy the best of both worlds! The ultimate in free flowing exhaust performance with an OEM-like exotic note.
HPA’s cat-backs are CAD design optimized for flow and back pressure, then tested on a rolling road simulator. Each system is constructed with only the best materials. Stainless steel three inch mandrel bent tubing optimizes flow while the integrated mechanical bypass valve opening under WOT, reduces system back pressure. This is the HPA advantage. The sudden drop in back pressure under acceleration enables the turbo to spin more freely which in turn, reduces turbine EGT’s. The lower exhaust manifold temps allow your ECU to maximize its ignition map. More ignition equals more power. The rear mufflers function only to dampen the exhaust noise for a pleasurable cabin experience while commuting in day-to-day traffic.
Features:
- Made in Canada
- Full stainless steel construction
- 3″ mandrel bent tubing
- Integrated mechanical bypass valve for optimized sound and performance
- Precision TIG welded
- Mounts to factory hangers
- Factory valence fitment
- Black tips are an available option
What’s Included:
- HPA Catback Exhaust
| Select Exhaust Tips | Silver, Black |
|---|---|
| Select Version | Race (NO CAT / NO RESONATOR), Competition (NO CAT / HIGH FLOW RES), Street (HIGH FLOW CAT / HIGH FLOW RES) |
Fast Shipping and Professional Packaging
Due to our long-term partnership with UPS, FedEx, DHL and many other world-class carriers, we are able to offer a variety of shipping options. Our warehouse staff is highly skilled and will wrap your goods according to our precise and exact specifications. Before shipping the goods are thoroughly inspected and secured. We deliver to hundreds of thousands of customers every day in different countries. Our dedication to becoming the biggest online retailer around the globe is evident by this. The warehouses and centers of distribution are situated in Europe and the USA.
Please note that orders with multiple items are processed according to the specific item.
Before shipping, we will check the item thoroughly before sending the items. Most orders are shipped within 48-hours. Delivery time ranges between 3-7 days.
Returns
The stock is constantly changing and cannot be fully controlled by us due to the involvement of several entities, including the factory as well as our warehouse. Therefore, the actual inventory could change at any time. Please be aware it's possible your order could become unfulfilled when you have placed the order.
Our policy is valid for 30 days. If 30 days have gone without a trace since the purchase and we are unable to offer you a refund or exchange.
You are able to return an item if it is unused and is in the same state as the day you received it. It should also be in the original packaging.
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