4 inch constant-diameter DPF-back CoolCuff cools tailpipe temps Improves flow up to 50 Percent Cuts back pressure up to 40 Percent Safely clears spare tire Huge Black tips
4 inch constant-diameter DPF-back CoolCuff cools tailpipe temps Improves flow up to 50 Percent Cuts back pressure up to 40 Percent Safely clears spare tire Huge Black tips