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The aFe MACHForce XP 304 stainless steel dual cat-back for 2012–2016 Porsche 911 Carrera (991) 3.8L pairs race-inspired flow with direct-fit installation. In testing it produced 34 hp and 43 lb-ft of torque while shedding about 20 lbs versus stock. CAD-designed X-pipe, straight-through mufflers and resonators, polished quad tips and TIG-welded construction deliver balanced flow, sound and bolt-on fitment.
aFe MACH Force XP 12-16 Porsche 911 Carrera H6-3.8L SS-304 Cat-Back Exhaust w/ Polished Quad Tips
