3.5'' Downpipe Exhaust EGR Valve Kit for Chevrolet Silverado & GMC Sierra 2017-2023 L5P 6.6L Duramax Diesel

3.5" Downpipe Exhaust + EGR Valve Kit — Chevrolet Silverado & GMC Sierra L5P 6.6L Duramax 2017–2023

Upgrade your L5P Duramax with this complete 3.5-inch stainless steel downpipe and EGR valve kit combo. Designed for a direct bolt-on fit on 2017–2023 Chevrolet Silverado 2500/3500HD and GMC Sierra 2500/3500HD with the 6.6L L5P Duramax diesel engine. US Tariff included — no hidden import fees.

✅ Fitment

• 2017–2023 Chevrolet Silverado 2500HD / 3500HD
• 2017–2023 GMC Sierra 2500HD / 3500HD
• Engine: 6.6L L5P Duramax Diesel

🔧 What's Included

• 3.5" Stainless Steel Downpipe (Mirror Polished)
• EGR Valve Kit
• All necessary hardware for installation

⚙️ Product Specifications

• Downpipe Diameter: 3.5 Inch
• Material: Stainless Steel
• Surface Finish: Mirror Polish
• Type: Downpipe Exhaust + EGR Valve Combo Kit
• Weight: 8.72 kg

🚚 Shipping & Tariff

• Ships from US warehouse — fast domestic delivery
• US import tariff included in price — no surprise fees at delivery

Note: This kit is intended for off-road or competition use only. Please check local regulations before installation.