MagnaFlow Chevrolet Silverado 2500 HD 6.6L (01-04), Chevrolet Silverado 3500 6.6L (01-04), GMC Sierra 2500 HD 6.6L (01-04), GMC Sierra 3500 6.6L (01-04) Performance Exhaust Diesel Turbo Downpipe

The MagnaFlow Performance Exhaust Diesel Turbo Downpipe 15399 is a 4in. diameter mandrel bent stainless steel pipe that is weight-optimized with superior flow characteristics and performance. Each performance pipe is produced using precision CNC robotic manufacturing techniques and features 100% durable, corrosion resistant stainless steel construction. Professional installation is highly recommended.

Durable corrosion-resistant stainless steel construction

CNC precision robotic manufacturing techniques

Mandrel bent tubing

MOUNTING BRACKET INCLUDED

No

GASKET OR SEAL INCLUDED

No

INLET TYPE

Non-Flanged

CLAMPS INCLUDED

No

HANGERS INCLUDED

No

MAIN PIPING DIAMETER

4IN

SERIES

Performance Pipe

CORROSION-RESISTANT STAINLESS STEEL

Pipe 15399 is made of completely corrosion resistant stainless steel to ensure reliable exhaust system performance and a long service life.

PERFECT FITMENT

15399’s direct-fit design facilitates do-it-yourself installation by utilizing the OEM exhausts break locations.

PRECISION CONSTRUCTION

The use of durable stainless steel construction and CNC precision robotic manufacturing techniques guarantee reliable pipe performance. 15399 is proudly made in the USA.

UNRESTRICTED FLOW

Extensive dyno testing is used to ensure that this performance exhaust pipe improves the flow dynamics and increases the evacuation of exhaust gases compared to crush bent pipes.

Fits
2004 CHEVROLET Silverado 3500 V8 6.6L    
2004 CHEVROLET Silverado 2500 HD V8 6.6L    
2003 CHEVROLET Silverado 3500 V8 6.6L    
2003 CHEVROLET Silverado 2500 HD V8 6.6L    
2002 CHEVROLET Silverado 3500 V8 6.6L    
2002 CHEVROLET Silverado 2500 HD V8 6.6L    
2001 CHEVROLET Silverado 3500 V8 6.6L    
2001 CHEVROLET Silverado 2500 HD V8 6.6L    

2004 GMC Sierra 3500 V8 6.6L    
2004 GMC Sierra 2500 HD V8 6.6L    
2003 GMC Sierra 3500 V8 6.6L    
2003 GMC Sierra 2500 HD V8 6.6L    
2002 GMC Sierra 3500 V8 6.6L    
2002 GMC Sierra 2500 HD V8 6.6L    
2001 GMC Sierra 3500 V8 6.6L    
2001 GMC Sierra 2500 HD V8 6.6L