More on the results of vacuum pumps:

Three-Inch 304 Stainless Steel Down-Pipes - GM 6.6L

50 States Emissions Legal (E.O. D-701-21) Remove your crushed oval-shaped stock down-pipe and replace it with a smooth, round, long-lasting full 304 stainless steel Down-Pipe from PPE....<<more>>

Magnaflow 4 Inch Duramax Turbo Outlet Downpipe LB7

chevrolet diesel duramax, 4in. SYSTEM Exhaust Pipe PERFORMANCE EXHAUST LB7 Duramax The Magnaflow 15398 Turbo Outlet Downpipe for your 01-04 LB7 Duramax is built from 3" mandrel bent stainless steel & features a durable high temp thermal coating....<<more>>

CHEVROLET 6.6L/403 DURAMAX DIESEL V8 Silverline Exhaust

Find CHEVROLET 6.6L/403 DURAMAX DIESEL V8 Silverline Exhaust Exhaust Systems and get Free Shipping on Orders Over $99 at Summit Racing! Exhaust, Downpipe Back, 409 Stainless Steel, Natural, Polished Tip, Chevy, GMC, 6.6L Diesel, Kit Not Yet Reviewed. Part ...<<more>>

GM 6.6L Duramax Stainless Down Pipe Back Exhaust K4114S

Stainless Down Pipe Back Single fro 01-07 GM 6.6L Duramax 4" by Diamond Eye part number K4114S....<<more>>

01-04 Duramax LB7 HSP Stainless Downpipe – RPI Diesel

The HSP LB7 Downpipe is constructed from 3" 304 Stainless Steel and built to last. Each downpipe is built in quality fixtures to ensure proper fitment....<<more>>

PPE 3" Stainless Steel Downpipe For GM Duramax Diesel

Fitment Notes: GM Duramax The PPE 3" Stainless Steel Downpipe for your GM 6.6L Duramax allows you to removed your crushed oval stock downpipe and replace it with a smooth round, long lasting 304 stainless steel down pipe....<<more>>

PPE Diesel Duramax 3" Stainless Downpipe 117000400

The PPE 117000400 3" Stainless Steel Downpipe for your 01-04 GM 6.6L Duramax allows you to removed your crushed oval stock downpipe and replace it with a smooth round, long lasting 304 stainless steel down pipe....<<more>>

Stainless Steel - 5" Pipe - Exhaust Systems - LML (2011

Flo-Pro 5" Downpipe-Back Exhaust System Stainless Steel No Muffler for GM Duramax 6.6L LML 2011-2015...<<more>>

MBRP Turbo Downpipe for your 2001-2004 GM Duramax LB7 6.6L

Now available for the 2001-2004 Chevy Duramax LB7 6.6L is a MBRP downpipe. Not only will you add horsepower and torque, but your turbo diesel engine will also benefit from lower exhaust temperatures and help the durability and longevity of your engine....<<more>>

6.6L Duramax Diesel Engine LBZ 06-07 - Scheid Diesel

01-07 Duramax 6.6L 4" Stainless Steel Downpipe Back Single System 01-07 Duramax 6.6L 5" Aluminized Downpipe Back Single System 01-07 Duramax 6.6L 5" Stainless Steel Downpipe Back Single System...<<more>>

5" Pipe - Exhaust Systems - LB7 (2001-2004) - Duramax

HSP Diesel is your #1 performance parts and custom fabrication facility located in Romeo, MI. Working out of our 12,000 sq. ft. facility we are able to bring to the market a full line of turbo system components and other related truck components that are above and beyond anything else on the market. Many of our products are in stock and ready to ship....<<more>>

3" STAINLESS DOWNPIPE 01 - 04 6.6L LB7 DURAMAX

Big Dawg Diesel and Surplus is a wholesale distributor of brand new and remanufactured injectors, pumps and diesel engine components. We provide quality parts for Dodge, Ford, Chevy/GMC, etc. car manufacturers....<<more>>

PPE 3" Stainless Steel Downpipe - 11-15 GM 6.6L Duramax

Fits: 2011-2015 GM 6.6L Duramax LML The PPE 3" Stainless Steel Downpipe for your GM 6.6L Duramax allows you to removed your crushed oval stock downpipe and replace it with a smooth round, long lasting 304 stainless steel down pipe....<<more>>

6.6L Duramax Diesel Engine LB7 01-04 - Scheid Diesel

01-07 Duramax 6.6L 4" Aluminized Downpipe Back Single System 01-07 Duramax 6.6L 4" Stainless Steel Downpipe Back Single System 01-07 Duramax 6.6L 5" Aluminized Downpipe Back Single System...<<more>>

GM 6.6L MBRP DPF Back Exhaust Downpipe Combo S6050409

4 Inch DPF Back Stainless Exhaust & Turbo Downpipe Combo for 11-13 GM 6.6L Duramax by MBRP part number S6050409....<<more>>

Down Pipe Back - 5" - Exhaust System - Diesel Auto Power

2001-2007 GM Duramax 6.6L Extended Cab / Crew Cab . SKU: MBR-S6020409. Add to Cart. Diamond Eye Downpipe Back Stainless Steel Kit Single 5" FLO~PRO 5" DOWN PIPE BACK CAT DELETE "TEST PIPE" RACE ONLY WITH 4" FORWARD CAT DELETE PIPE WITH MUFFLER NO BUNGS STAINLESS STEEL - SS601 Diamond Eye Downpipe Back Stainless Steel Kit With Muffler ...<<more>>

SATURN 4S - 4" 409 Stainless Steel Down-Pipe Back Exhaust

That's why your Duramax diesel needs the SATURN 4S down-pipe back exhaust system by aFe Power. This exhaust is built from 4" mandrel-bent 409 stainless steel tubing and includes a muffler-delete pipe for optimum flow and a race-inspired, aggressive sound....<<more>>

6.6L Duramax Diesel 3in Stainless Steel Down pipe For 2011

6.6L Duramax Diesel 3in Stainless Steel Downpipe For 2011-2015 GM 6.6L…...<<more>>

Large Bore-HD 4" 409 Stainless Steel Down-Pipe Back

This system is constructed from mandrel bent 4" stainless steel tubing for maximum flow, increased horsepower, increased torque and lower EGT's. The system is available in a 4" down-pipe back with muffler and is finished off with a polished tip....<<more>>

DownPipe Back DPF Delete Dual Exhaust 15.5-17 Chevy GMC

Exhaust Type: Downpipe Back Dual Exhaust System Pipe Diameter: Available In 5.00" System Pipe Material: Available In Aluminized Steel Or Stainless Steel SS409 Fitment: 2015.5-2017 Chevy/GMC 2500HD/3500 Duramax 6.6L V8 LML Turbo Diesel, Extended Cab & Crew Cab....<<more>>

Jamo Performance 4" Stainless Downpipe Back | 2007.5-2010

JAMO Performance 4" stainless steel downpipe back single exhaust system deletes the CAT & DPF systems on 2007.5-2010 6.6L GM Duramax LMM applications....