
11-15 GM 6.6L Duramax MBRP 3 Inch Turbo Downpipe
$264.99
- Part Number: GM8427
- Est. Ship Time: Usually Ships By Next Business Day

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3" Turbo Down Pipe, Black Finish
Fits 2011-2015 Duramax Diesel trucks- DOES NOT FIT 2015.5+ trucks with the 3 bolt downpipe flange, see part number GM8428.
- Greater Heat Retention
- 20% Greater Flow Over Stock
- Richer Diesel Sound
- Will not Affect Emissions DPF system or the Urea injection system
- Gains of +21 HP and +24 lb/ft Torque
MBRP part number: GM8425

3" Turbo Down Pipe, Black FinishFits 2011-2015 Duramax Diesel trucks- DOES NOT FIT 2015.5+ trucks with the 3 bolt downpipe flange, see part number GM8..
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Clamp on design. Black Powder Coated
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AIRAID MXP Series Cold Air Dam Intake System; Incl. Intake Tube; Easy To Install w/Basic Hand Tools
The SynthaMax filter media consists of an..
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LML 1 Piece 3" Driver Side Intercooler pipe. Compliments the Twin turbo kit, full 3" intake tract from Turbo to Engine, uses Straight high p..
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DISCONTINUED3" Y-Bridge Kit for LML. For Competition Use Only. Includes:
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Spin on filter for Allison 1000 / 2000 / 2400 series transmission
Allison: 29539579Does not include magnet!! Magnet part: MS 29535617..
$16.21
Allison 1000 OE part.
Stock image. May not be actual part.
Allison part number: 29535578..
$3.58
BLACK POWER COATED DIAMOND EYE PERFORMANCE LOGO EMBOSSED STAINLESS STEEL TIP
5" INLET
7" OUTLET
18" LONG
Part number: 57..
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If you are looking for a replacement passenger side up-pipe due to a blown out bellow, Rudy's new up-pipe is your solution. With high-temperature coat..
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Backordered with no ETA (Updated 5/2/25)
DHD's high flow manifold bundle increases exhaust air flow over 55% without any port modifications. Additi..
$795.00
LML 65mm 5 Blade Mafia Drop-in turboBrand new turbocharger. Rated at 710hp. This turbo is an excellent choice for moderate towing, daily driving, and ..
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WCFab’s 2001-2016 Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel co..
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PPE has taken OEM replacement to a new level. All PPE OEM Up-Pipes allow 53% greater flow than stock. PPE OEM Up-Pipes are a direct bolt-on to your fa..
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All PPE OEM Up-Pipes create a 53% greater flow than stock. The PPE OEM Up-Pipes are a direct bolt-on to your factory manifolds. Unlike factory parts, ..
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LML Duramax 4" Intake Kit for factory turbo.
Includes:
4" Intake
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Boots & Cl..
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Cruise the highway or hit the track with an MBRP Street Profile exhaust. It’s the perfect mix of aggressive sound when you’re into the thr..
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Cruise the highway or hit the track with an MBRP Street Profile exhaust. It’s the perfect mix of aggressive sound when you’re into the thr..
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Cruise
the highway or hit the track with an MBRP Street Profile exhaust. It’s the
perfect mix of aggressive sound when you’re into the throttle with..
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Unleash your vehicle's most aggressive sound with an MBRP Race Profile exhaust. Hear the biggest gains and turn heads every time you hit the gas. Your..
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Unleash your vehicle's most aggressive sound with an MBRP Race Profile exhaust. Hear the biggest gains and turn heads every time you hit the gas. Your..
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Unleash your vehicle's most aggressive sound with an MBRP Race Profile exhaust. Hear the biggest gains and turn heads every time you hit the gas. Your..
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4” Cat Back, Single Side Exit - Aluminized Steel
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MBRP 2001-2005 6.6L Duramax Aluminized 4" Exhaust System, Cat/4 Bolt flange Back
Aluminized Installer Series, four-bolt flange back. Includes 4 Inch ..
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2003-2007 6.0L Powerstroke Diesel
Ford F350/450/550
Cab & Chassis, Turbo Back, Single Side, Off Road, 4 Inch - 3.5 Inch Downpipe
KEY FEATURES..
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03-06+ Ford F350/450/550 6.0L Powerstroke 4" Turbo Back Stainless Exhaust Off RoadThis system has a 3.5" Downpipe, with the rest of the exhaust being ..
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Fits: 2003-2007 Ford 6.0L PowerstrokeUnleash your vehicle's most aggressive sound with an MBRP Race Profile exhaust. Hear the biggest gains and turn h..
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Complete Turbo Back Exhaust System with Welded Hangers, you use your stock cat. (ONE IS NOT INCLUDED)Fits 2003.25-2006 6.0L Powerstroke Powered Ford E..
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2003-2007 6.0L Powerstroke Diesel
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2003-2007 Ford
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S62240SLM
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Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive ..
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Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive So..
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K5162A - FOR 2011 to 2015 - CHEVY 6.6L DURAMAX DIESEL 2500/3500 - 5" ALUMINIZED - PERFORMANCE DIESEL EXHAUST - DIESEL ..
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K5162S - FOR 2011 to 2015 - CHEVY 6.6L DURAMAX DIESEL 2500/3500 - 5" STAINLESS STEEL- PERFORMANCE DIESEL EXHAUST - DIE..
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2011 Chevy/GMC 2500/3500
4" Filter Back, Single Side, AL
MBRP part number: S6032AL
Built from heavy duty aluminized steel our Installer Se..
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2011-2015 Chevy/GMC 2500/3500 4" Filter Back, Dual Outlet Single Side, ALBuilt from heavy duty aluminized steel our Installer Series performance exhau..
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2011-2015 Chevy/GMC 2500/35005" Filter Back, Single Side, AL , No Tip
Part #: S60360AL
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2011 Chevy/GMC 2500/35005" Filter Back, Single Side, T409
MBRP's XP Series is the performance exhaust of choice for the enthusiast who needs a system..
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2011-2015 Chevy/GMC 2500/3500 4" Filter Back, Single Side, Black CoatedOur Black Series performance exhaust systems offer a true murdered-out style wi..
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Features:
Constructed from 5" mandrel-bent aluminized steel tubing
Uses a high quality band clamp and OE-style bayonet hangers for a secu..
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Features:
Constructed from 5" mandrel-bent stainless steel tubing
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K4163S - For 2011, 2012, 2013, 2014 & 2015 - Chevy/GMC 6.6l Duramax Diesel 2500/3500 (All Cab And Bed Lengths) 4" 409 Stainless Steel -..
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