'07 Chevrolet Corvette

Product: Magnaflow part number 15884

Price: $1249 plus installation

Claimed power increase: 12 WHP, 11 ft-lb gain 

Impressions: The installation went very smoothly, the Magnaflow system was very well engineered, and fitment was close to perfect. I drove the car afterwards per the customer's request. He wanted to hear the system from a bystander's POV. He was impressed with the sound. Not too loud, but aggressive