Some people argue that it’s not worth replacing the fake vents for functional ones. Others modify the inline-six turbo engine to 1,000 horsepower. As for MagnaFlow, the exhaust specialist is much obliged to make the GR Supra sound better for the princely price of $2,500.
“xMod Series Cat-Back Performance Exhaust System” is the name of the upgrade, identified by part number 19495. MagnaFlow promises “an unrivaled exhaust experience” and “aggressive to very aggressive” configurable sound settings thanks to active exhaust valves.
The heaviest configuration of the xMOD is one pound lighter than the stock exhaust system and 8.5 pounds in the lightest setting, providing four additional horsepower to the B58 engine. Additional aftermarket modifications can contribute up to 14 horsepower over the standard setup, pretty swell considering the Z4 M40i is more powerful from the factory.
3.5-inch tubing and the dual-exist style are complemented by carbon tips, stainless-steel pipes, and three muffler modules. The xTreme Delete is recommended only for track use while xTreme Flow increases airflow up to 36 percent. The less aggressive 3.0-inch design of the Opti-Flow module is the one to use on public roads – especially on the long haul.
CNC robotic manufacturing, optimized weight and resonance, dyno testing, and a lifetime warranty for the stainless-steel construction are other highlights of the cat-back exhaust system. MagnaFlow recommends to spray penetrating lubricant on all fasteners and hangers before loosening the stock exhaust, and the minimum required tools include 13- and 15-mm sockets, a wrench, and a pry bar. After installation, it’s recommended to inspect all the fasteners afer 25 to 50 miles and re-tighten if necessary.
On a related note, can you believe Toyota charges $49,990 excluding destination charger for the GR Supra in the United States? That’s a lot of greenback for a BMW in disguise, let alone a Toyota which has been recalled by BMW of North America only recently.
After a 1:43 scale model of a Ferrari 250 GTO sparked Mircea's interest for cars when he was a kid, an early internship at Top Gear sealed his career path. He's most interested in muscle cars and American trucks, but he takes a passing interest in quirky kei cars as well. Full profile
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