5'' DPF Back Exhaust 2013-2024 6.7L Cummins Ram 2500/3500

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Product Information +
- Brand: SPELAB
- SKU: SPEXS22-00074SR-000-L
- Availability: Many in stock
- Product Type: DPF Back
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PLEASE NOTE!
Description
Upgrade your 6.7 cummins exhaust system with SPELAB’s high-performance DPF-back pipe, designed for enthusiasts who want to keep DPF while enjoying an aggressive exhaust note. Crafted from durable 409 or 304 stainless steel, our pipe offers a superior OE+ solution—409 for a cost-effective replacement (solving aging pipe issues) or 304 for enhanced corrosion resistance. The black-painted exhaust tip delivers a sleek, aggressive look, while the enlarged outlet ensures deeper sound and improved flow. Drive louder, stand out—without DPF removal!
Parameter | T304 | T409 |
Corrosion Resistance | 18% Cr, 8% Ni(Better) | 11% Cr, trace Ti(Good) |
High Temp Resistance | ≤870°C | ≤800°C |
Oxidation Resistance | Excellent | Good |
Salt/Cl⁻ Resistance | Excellent | Good |
Sulfide Resistance | Excellent | Good |
Estimated Lifespan | 10-15+ years | 7-12 years |
Specification
Filter Back Mateial | T409/T304 Stainless Steel |
Exhaust tip Mateial | Stainless Steel |
Exhaust Diameter | 5'' |
Installation | Bolt-on (no welding required) |
Sound Level | Performance-enhanced tone (deeper but not overly loud) |
Key Features
- Optimized Exhaust Flow - Minimizes backpressure to unlock hidden engine potential, improving acceleration and overall drivability.
- Heavy-Duty Material Options - Features stainless steel construction, available for superior corrosion resistance in harsh environments.
- Simple Installation - Direct bolt-on replacement using OEM mounting points - no cutting or welding required.
- Signature Sound Profile - Delivers a deep, throaty exhaust note that enhances your driving experience without cabin resonance.
- Factory-Engineered Fit - Precision-designed to maintain original equipment clearances and alignment.
- Emissions Compliant - Fully compatible with your factory-installed DPF system (not a delete kit).
- Custom Aesthetic - Features a matte-black finished tip for a sleek, aggressive rear-end appearance.
What's in the BOX?
5"Extension Pipe x 1 |
Tail Pipе x 1 |
4" Clamps x 1 |
5" Clamps x 1 |
Exhaust Tip x 1 |
Installation
5'' DPF Back Instruction for 6.7L Cummins 2013-2024