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2 1971 Cadillac Calais Engine: 7
A free-flow single-in dual out muffler is included which improves performance across the power band while maintaining an awesome sound
Precision-engineered H-pipe for rasp-free muscle tone
aFe Control sway bars will deliver
aFe MACH Force-Xp 3 to 2-1/2in 304 Stainless Steel Axle-Back Exhaust w/Polished Tip (49-36333-P) 18140 2 1971 Cadillac Calais Engine:Mach Force XP 304 SS Axle Back Exhaust System with Quad Rear Exit (49 36333 P) by aFe. With Factory Style Exhaust Valve. Exhaust System Type: Axle Back. Exhaust Tubing Material: 304 SS. Main Tubing Diameter: 3" to 2. 5". Exhaust System Sound: Aggressive Loud. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Mach Force XP Axle Back Exhaust System. aFe dyno tests every system