Kooks Headers · New
Kooks RAM TRX 1 7/8in x 3in Long Tube Headers 3in x OEM H.O. Green Connections
MPN 3521H440 · Store SKU ksh3521H440
Supplier stock checked 11/7/2026, 1:03:18 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don't forget, "Get Kookin with KOOKS!" 2021+RAM TRX 6.2L HEMI 1-7/8in. x 3in. Stainless Steel Headers w/3in. x OEM H.O. GREEN Catted Connection pipes. 3/8in. Thick Header flanges. Connects to OEM Catback w/2-Bolt flanges. Includes gaskets and hardware required for installation. 2021+ RAM TRX 6.2L HEMI 1-7/8" x 3" Stainless Steel Headers w/ 3" x OEM H.O. GREEN Catted Connection pipes. 3/8" Thick Header flanges. Connects to OEM Catback w/ 2-Bolt flanges. Includes gaskets and hardware required for installation. 1-7/8" Stainless Header & H.O. GREEN Connections. 2021+ RAM TRX 6.2L HEMI 1-7/8in. Stainless Header/H.O. GREEN Connections. 2021+RAM TRX 6.2L HEMI
Manufacturer fitment & guides
- 2021+ RAM TRX 6.2L HEMI 1-7/8" x 3" Stainless Steel Long Tube Headers w/ 3" x OEM High Output GREEN Catted Connection pipes. 304 Stainless Steel Construction 3/8" Thick Header flanges Mandrel bent tubing Connection pipes Including Kooks 4-1/2" Bodied 300CSPI High Output GREEN catalytic converters Connects to OEM Catback w/ 2-Bolt flanges. Includes gaskets and hardware required for installation
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y
