Optimize airflow and fuel delivery for your 2004.5–2005 LLY Duramax with upgraded intercooler piping, turbo kits, and performance injectors. This section focuses on improving turbo spool and reducing EGTs while maintaining compatibility with stock turbochargers and factory engine management. Includes LLY-specific head studs and fuel system parts for daily driving or towing builds.
UNIVERSAL - 4" INLET/OUTLET, 30" OVERALL
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 Give your truck a custom exhaust tone with the MBRP Universal 4" Quiet Tone Muffler. Featuring a dual core technology that provides optimal flow, in...
6" ROUND RESONATOR, 4" I.D. INLET/OUTLET, 18" OVERALL LENGTH
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Take the edge off any 4" performance system with an MBPR Inc. Diesel Resonator. This high flow 4" resonator will help reduce that...
UNIVERSAL - 4" INLET/OUTLET, 30" OVERALL
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MBRP high flow performance diesel mufflers are available as individual components. Get the best sounding muffler on the street today. Each muffler is...
UNIVERSAL - 4" INLET/OUTLET, 30" OVERALL
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MBRP high flow performance diesel mufflers are available as individual components. Get the best sounding muffler on the street today. Each muffler is...
UNIVERSAL - 5" INLET/OUTLET, 31" OVERALL
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MBRP high flow performance diesel mufflers are available as individual components. Get the best sounding muffler on the street today. Each muffler is...
UNIVERSAL - 5" INLET/OUTLET, 31" OVERALL
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MBRPs 5 Quiet Tone muffler features a high flow 5 spiral louvered core, fits most 5 exhaust systems and is a direct replacement for all MBRP 5"...
UNIVERSAL - 5" INLET/OUTLET, 31" OVERALL
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MBRPs 5 Quiet Tone muffler features a high flow 5 spiral louvered core, fits most 5 exhaust systems and is a direct replacement for all MBRP 5"...
UNIVERSAL - 5" INLET/OUTLET X 31" LENGTH
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The MBRP 0290022 XP Series 5" Performance Muffler is the same high-quality muffler used in the MBRP 5" exhaust systems, but available as an individual...
UNIVERSAL - 6" O.D. DUAL WALL ANGLED, 12" LENGTH, 4" INLET
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he exhaust tip is the crowning touch to your performance exhaust. It is your opportunity to really show off your personal style. That's...
UNIVERSAL - 6" O.D. DUAL WALL ANGLED, 12" LENGTH, 4" INLET
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Mirror Polished Finish!
High Quality Stainless Steel Exhaust Tip
6" Diesel Tip For a BOLD Look
Dual Wall
MBRP Inc O
UNIVERSAL - 4" O.D. SINGLE WALL ANGLED, 10" LENGTH, 3.5" INLET Â The MBRP T5112BLK 3.5"-4" Black Angled Rolled End Single Walled Tip is the crowning touch to the exhaust system on your pickup. The...
5" IN X 6" OUT X 15-1/2" LONG, 30-DEGREE BEND
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he MBRP T5154 30 Degree Bend Polished Exhaust Tip is the crowning touch to your performance exhaust. Featuring a polished stainless steel...