Includes : Cold Air Intake System , Underdrive Power Pulleys Complete High Flow Exhaust System Stainless High Flow Cat Midpipe Our Project RX-8 picked up over 37+ horsepower on the dyno. Click below to see the horsepower increase with the GT-4 Kit! Click dyno picture for larger view   ( 6-Speed RX-8 ) Part #6-RX8-PKG-GT-4-Black ( Automatic RX-8 ) Part #AT-RX8-PKG-GT-4-Black MSRP $2297 $2069 Savings of $228! ( 6-Speed RX-8 ) Part #6-RX8-PKG-GT-4-Polished ( Automatic RX-8 ) Part #AT-RX8-PKG-GT-4-Polished MSRP $2327 $2099 Savings of $228! Now Includes FREE: Billet Key Chain T-Shirt   Contact Us Website designed by Brodie Peterson and SRM Website maintained by SRM. Site Map © Copyright 2002 SRmotorsports.com. All rights reserved.