📍 Barstow, CA • Near I-15 & I-40 • Truck Accessories & Driver Essentials
📍 Barstow, CA • Near I-15 & I-40 • Truck Accessories & Driver Essentials
Keep Your Permits Protected and ProfessionalThe Iowa Customs Slim Series Exhaust-Mount IFTA Permit Holder provides a clean, show-quality way to display your IFTA and DOT permits. Designed specifically for Peterbilt 379, 386, and 389 models, this stainless-steel frame mounts directly to your exhaust bracket for a secure, low-profile fit. The Slim Series design delivers a sleeker look than traditional permit boxes—perfect for owner-operators who take pride in every detail.
Product Features• Heavy-duty 304 stainless-steel construction with #8 mirror polish finish• Slim, low-profile design mounts cleanly to exhaust bracket• Weather-resistant clear acrylic face protects paper permits from moisture and debris• Quick-release fasteners for easy permit changes• Pre-drilled for universal fitment on Peterbilt 379/386/389 exhaust mounts• Made in the USA with precision laser-cut edges and hand-polished finish
Fitment• Peterbilt 379 / 386 / 389 models with standard dual exhaust mounts• May fit other makes with similar mounting hole spacing — confirm dimensions before install
Why Truckers Choose Iowa Customs• Professional-grade stainless hardware and fabrication quality• Polished look to match other stainless accessories and trim• Designed, cut, and assembled in the USA for precision fit and finish
Common QuestionsQ: Does this include mounting hardware?A: Yes — includes standard mount bolts for most Peterbilt exhaust brackets.Q: Is the cover removable?A: Yes — the clear acrylic face opens for easy permit updates or cleaning.Q: Can this be used on other trucks?A: While designed for Peterbilt 379/386/389, it can fit any truck with similar exhaust mount geometry.
California Proposition 65⚠️ WARNING: This product can expose you to chemicals including nickel and chromium, known to the State of California to cause cancer or reproductive harm. For more information, visit www.P65Warnings.ca.gov.


