International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Following the same exhaust path and secured using the original hangers and rubber isolators, Borla axle-back (rear section) performance exhausts are less restrictive than factory exhaust systems. Welded tips are standard on most systems The focus of ATAK is to pump the volume while retaining clarity of sound, avoiding distortion typically found in louder exhausts. Corsa Xtreme C6 Z06 And ZR1 With Black Gloss Tips 21077BLK - CORVETTE Corvette Z06 Zr1 Performance Exhaust C6 Corvette Bullet Axle Back Exhaust System | Corvette Store Online 4.25 Inch Exhaust Tips Double round rolled angle cut , 301 series stainless steel , Four 4., 25 inch round tips Borla | Stainless Steel Performance Exhaust Systems Fits: Corvette C6 ZO6/ZR1 7., 0L/6., 2L V8 MT rear wheel drive 2-door With ATAK, the sound output is tuned like a graphic equalizer to shape and focus sound waves for optimum high-volume output.