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About these parts
The GR Supra's stock exhaust is deliberately restrained — the B58 makes a good noise and the factory system muffles most of it. A valved cat-back is the usual first move, because it gives you both ends of the range instead of committing you to one.
How valved systems work. Butterfly valves in the rear section open and close on demand. Closed, the tone stays close to stock and there is no drone on the highway. Open, the system flows freely and the exhaust note gets loud and aggressive. You control it, so the same car can commute quietly and be obnoxious on a back road.
Material choice. Stainless steel is the durable, cost-effective option and produces a sharper, higher-frequency tone. Titanium drops meaningful weight off the back of the car and changes the character of the sound — it is the enthusiast pick and it is priced accordingly.
These are cat-back systems, meaning they replace everything behind the catalytic converter. Nothing emissions-related is touched, and installation bolts to the factory mid-pipe with no cutting or welding. Fits the A90 and A91 in 3.0 and 3.0 Premium trim.
Built to order, so the stock count reads zero while the item is fully available to buy.
