Page 73 of Chevrolet Corvette Parts and Accessories Catalog by Mid America Motorworks

70 Pu rs u e y o u r pa s s i o n fo r Co r ve tte h e re Toll Free: 800.500.1500 C5 Exhaust Borla T-304 Race System With XR-1 Technology Borla Performance has developed an exhaust system to reflect the style and performance your C5 Corvette deserves. Enhanced with the award-winning 2.5" XR-1 center resonator and mandrel bent tubing for superior performance, the Borla Race System features increased flow/torque gains and up to 10% horsepower gain. Beefy 4.5" rolled edge tips are each embossed with the legendary Borla logo. A B Stinger B C Power Up Your 1997-04 Z06 Exhaust With Borla Stinger and Stinger Quad 2 are the newest Borla Exhaust Systems for your C5 or Z06 Corvette. Both systems feature incredible flow characteristics that can add up to 11hp to your C5's performance, plus a great sound. Borla exhausts are made from aircraft quality 304 stainless steel and include polished mufflers and dual 4" angle cut rolled tips on the Stinger and your choice of four 4" round or oval tips on the Stinger Quad 2. Both systems are backed by Borla's million-mile warranty. All mounting hardware is included. For maximum performance, replace your stock X-pipe with the Borla X-Pipe specifically designed to work with the Stinger and Stinger Quad 2 exhaust on your C5 or C5 Z06. Reduces backpressure and balances exhaust for more power. Made from T-304 stainless steel. Illustrated instructions included. Stinger Quad 2 D A X-Pipe Part # Page # Manufacturer Description Idle Acceleration Cruise Heard Online Mid America Motorworks IAC Exhaust Rating Chart Mid America Motorworks has developed the IAC Exhaust Rating Chart to assist you in selecting the exhaust system that best suits you and your individual Corvette driving style. We ranked each system by: I (Idling Sound), A (Acceleration Sound), C (Cruise Sound). Also, the exhaust sounds that can be heard online are denoted in the last column in the table below and indicated with . Simply search by part number as indicated in the first column. Each aspect is given a rating as follows: 1. Slightly louder than stock. 2. Noticeably louder than stock. 3. Aggressively loud. 97-04 XR-1 Race Mufflers w/Round Tips 603-344 $999.99 IAC RATING Idle Acceleration Cruise 2 3 2 IAC RATING Idle Acceleration Cruise 2 3 3 1 2 3 4 5 6 7 8 9 10 11 12 13 Borla A 97-04 Exhaust System, w/Dual 4" Round Tips 612-163 $899.99 B 97-04 Exhaust System, w/Quad 4" Round Tips 612-429 $1,099.99 C 97-04 Exhaust System, w/Quad 4" Oval Tips 612-430 $1,099.99 D 97-04 X-Pipe 618-776 $259.99 612-163, 612-429, 612-430 70 Borla Stinger 2 3 2 603-344 70 Borla XR-1 Race System 2 3 3 603-336, 609-949, 609-040 71 Corsa Touring 1 2 1 603-340, 609-953, 609-050 71 Corsa Pace Car 2 3 1 612-020 71 Corsa Touring 1 2 1 612-021 71 Corsa Pace Car 2 3 1 604-189, 603-354, 605-036, 612-150 72 Billy Boat Route 66 2 2 1 603-352, 603-356, 605-037, 612-151 72 Billy Boat PRT 2 3 2 631-000, 631-001 72 Billy Boat Bullet 3 3 3 618-675 73 SLP PowerFlo 2 3 2 622-405 73 SLP Loud Mouth 3 3 3 612-788 74 Magnaflow Complete 2 2 1 614-895 74 Magnaflow Rear Section 1 2 1 628-086 74 Magnalow Aggressive Tone 2 3 1 612-622 74 Holley Hooker System 2 2 1

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