TEST RESULTS FOR: 1997 Chevy Suburban5.7L
  

Avalanche | C10/C20
Canyon/Colorado | HHR | S-10/Sonoma
Sierra/Silverado | SSR
Suburban/Yukon XL/Denali XL | Hummer H2
Tahoe, Yukon/Denali | Trailblazer
Muffler Horsepower 0-60 Time
MagnaFlow 247 hp 9.1 sec.
OEM 234 hp 9.4 sec.
Results +13 hp -0.3 sec.
•    Get the most performance from your GM/Chevy truck or SUV by upgrading the restricted OEM system with the new MagnaFlow mandrel-bent system components and straight-through Wide Open MagnaFlow Performance mufflers.
•    GM cat-back systems feature large diameter, mandrel-bent extension/tail pipes made from aluminized steel and a polished stainless steel tip.
•    System includes the MagnaFlow Performance Muffler best suited to the needs of the vehicle and all system hardware, flanges and gaskets needed to complete the installation.
  
Avalanche
ALL STAINLESS STEEL, MANDREL-BENT, CAT-BACK SYSTEMS
Year Vehicle Specs System Specs Part #

2007

 1500 5.3L V8
rear side exit		 5 x 11 x 22 in. Muffler,
3 in. Tubing, 5.5 in. Oval Tip

16721

02-06

 1500 5.3L V8
rear side exit		 5 x 11 x 22 in. Muffler,
3 in. Tubing, 4 in. Tip

15724

02-06

 2500 8.1L V8 -- Gas
rear side exit		 5 x 11 x 22 in. Muffler,
3 in. Tubing, 4 in. Tip

15836

 

 
 
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C10/C20
ALL STAINLESS STEEL, MANDREL-BENT, CAT-BACK SYSTEMS
Year Vehicle Specs System Specs Part #

72-76

 ALL V-8 With Rear Coil Springs
Tru-X, 2.5 in. Tubing, DUAL EXHAUST

16643
 
 
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Canyon/Colorado
ALL STAINLESS STEEL, MANDREL-BENT, CAT-BACK SYSTEMS
Year Vehicle Specs System Specs Part #

04-07

 2.8L/2.9L I-4, 3.5L I-5
SC/SB, single side exit		 5 x 8 x 18 in. Muffler, 2.5 in. Tubing, 3.5in. Tip
(excl. Sport suspension)

15844

04-07

 2.8L/2.9L I-4, 3.5L I-5
SC/SB, dual split rear exit		 5 x 8 x 18 in. Muffler, 2.5 in./2.25 in.Tubing, 3.5 in. Tips;
(excl. Sport suspension) (Remove Spare Tire)

15846

04-07

 2.8L/2.9L I-4, 3.5L/3.7L I-5
EC-CC/SB, single side exit		 5 x 8 x 18 in. Muffler, 2.5 in. Tubing, 3.5in. Tip
(excl. Sport suspension)

15845

04-07

 2.8L/2.9L I-4, 3.5/3.7L I-5
EC-SC/SB, dual rear exit		 5 x 8 x 18 in. Muffler, 2.5 in./2.25 in.Tubing, 3.5 in. Tips;
(excl. Sport suspension) (Remove Spare Tire)

15847
 
 
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Envoy
ALL STAINLESS STEEL, MANDREL-BENT, CAT-BACK SYSTEMS
Year Vehicle Specs System Specs Part #

03-09

 4.2L L6 5 X 11 x 22in. Muffler, 3in./Dual 2.5in System,
Dual 4in. Stainless Tips, DUAL SPLIT REAR EXIT

16704
 
 
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HHR
ALL STAINLESS STEEL, MANDREL-BENT, CAT-BACK SYSTEMS
Year Vehicle Specs System Specs Part #

06-07

 2.2L I-4 -- Gas
rear exit		 5 x 8 x 18 in. Muffler, 2.5 in. Tubing,
4 in. Stainless Steel Polished Tip

16655
 
 
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S-10/Sonoma
ALL STAINLESS STEEL, MANDREL-BENT, CAT-BACK SYSTEMS
Year Vehicle Specs System Specs Part #

00-04

 4.3L V-6 2WD, EC/SB
sgl rear side exit		 5 x 8 x 18 in. Muffler, 2.5 in. Tubing, 3 in. Tip
(excl. ZR2) (Gas)

15661

00-04

 4.3L V-6 2WD, EC/SB
dual split rear exit		 5 x 8 x 18 in. Muffler, 2.5 in. Tubing, 3 in. Tip
(excl. ZR2) (Gas)

15796

98-04

 2.2L I-4 2WD, EC/SB
single rear side exit		 5 x 5 x 18 in. Muffler, 2.25 in. Tubing,
3.5 in. Tip (Gas)

15662

98-04

 2.2L I-4 2WD, SC/SB
single rear side exit		 5 x 8 x 18 in. Muffler, 2.25 in. Tubing,
3.5 in. Tip (Gas)

15706

01-04

 4.3L V-6 2WD/4WD, CC/SB
single rear side exit		 5 x 8 x 18 in. Muffler, 2.5 in. Tubing, 3.5 in. Tip
(incl ZR2) (Gas)

15825

98-99

 4.3L V-6 2WD, EC/SB
single rear side exit		 5 x 8 x 18 in. Muffler, 2.5 in. Tubing,
3 in. Tip (Gas)

15777

98-99

 4.3L V-6 2WD, EC/SB
dual split rear exit		 5 x 8 x 18 in. Muffler, 2.5 in. Tubing,
3 in. Tip (Gas)

15776

 
 
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Sierra/Silverado
ALL STAINLESS STEEL, MANDREL-BENT, CAT-BACK SYSTEMS
LIGHT-DUTY SIERRA & SILVERADO TRUCKS
See below for the heavy-duty Sierra & Silverado Truck Systems.
Year Vehicle Specs System Specs Part #

07-09

 4.8L/5.3L V8
CC-EC/SB--1500		 5 X 8 X 22in Muffler, 3in System, 4in Polished Tip,
SINGLE REAR SIDE EXIT (excl Hybrid)

16740

07-09

 4.8L/5.3L V8
CC/SB--1500		 5 X 8 X 16in Dual Outlet Muffler, 3in System, 2.5in Tail Pipes,
3.5in Polished Tips, DUAL REAR EXIT (excl Hybrid)

16741

07-09

 4.3L V6  4.8L/5.3L V8
SC/SB--1500		 5 x 11 x 22in. Muffler, 3in. System, 4in. Polished Tip,
REAR SIDE EXIT

16742

07-09

 4.3L V6  4.8L/5.3L V8
SC/SB--1500		 5 x 8 x 18in. Dual Outlet Muffler, 3/2.5in. System,
Dual 3.5in. Polished Tips, DUAL REAR EXIT

16743

07-09

 4.3L V6  4.8L/5.3L V-8
CC-EC/SB--1500		  (excl Hybrid) 5 X 8 X 18in Dual Outlet Muffler, 3in System,
Dual 3.5in Polished Tips, DUAL SIDE IN FRONT OF TIRE

16746

2007

 4.8L/5.3L V-8
Classic  CC/SB--1500		 5 x 11 x 22 in. Muffler, 3 in. Tubing, 4 in. Tip
SINGLE REAR SIDE EXIT

15839

2007

 4.8L/5.3L V-8
Classic CC/SB--1500		 5 x 8 x 18 in. Muffler, 3 in./ 2.5 in. Tubing, SS tips
DUAL SPLIT REAR EXIT

15841

2007

 4.3L V6  4.8L/5.3L V8
Classic SC/SB--1500		 5 x 8 x 18 in. Muffler, 3 in. Tubing, 4 in. Tip,
SINGLE REAR SIDE EXIT

15818

2007

 4.3L V6  4.8L/5.3L V8
Classic SC/SB--1500		 5 x 8 x 18 in. Muffler, 3 in./2.5 in. Tubing, 3.5 in. Tip;
DUAL SPLIT REAR EXIT

15794

2007

 4.3L V6  4.8L/5.3L V8
Classic EC/SB--1500		 5 x 11 x 22 in. Muffler, 3 in. Tubing, 4 in. Tip;
SINGLE REAR SIDE EXIT

15778

2007

 4.3L V6  4.8L/5.3L V8
Classic EC/SB--1500		 5 x 8 x 18 in. Muffler, 3 in./2.5 in. Tubing, 3.5 in. Tips;
DUAL SPLIT REAR EXIT

15792

2007

 4.3L V6  4.8L/5.3L V8
Classic EC/SB--1500		 5 x 11 x 22 in. Muffler, 2.5 in./3 in. Tubing, 3.5 in. Tips;
DUAL SAME SIDE EXIT IN FRONT OF TIRE

15842

2007

 6.0L V8  Classic
EC/SB--SS		 5 x 8 x 18 in. Muffler, 2.5 in./3 in. Tubing, 4 in. Tip;
SINGLE REAR SIDE EXIT

15838

2007

 6.0L V8  Classic
EC/SB--SS		 5 x 8 x 18 in. Muffler, 3 in. Tubing, 3.5in Tips;
DUAL SPLIT REAR EXIT

15840

04-06

 5.3L V-8 CC/SB--1500 5 x 11 x 22 in. Muffler, 3 in. Tubing, 4 in. Tip,
SINGLE REAR SIDE EXIT

15839

04-06

 5.3L V-8 CC/SB--1500 5 x 8 x 18 in. Muffler, 3 in./ 2.5 in. Tubing,
DUAL SPLIT REAR EXIT

15841

03-06

 4.3L V6  4.8L/5.3L V8
SC/SB--1500		 5 x 8 x 18 in. Muffler, 3 in. Tubing, 4 in. Tip,
SINGLE REAR SIDE EXIT

15818

03-06

 4.3L V6  4.8L/5.3L V8
SC/SB--1500		 5 x 8 x 18 in. Muffler, 3 in./2.5 in. Tubing, 3.5 in. Tip;
DUAL SPLIT REAR EXIT

15794

03-06

 4.3L V6  4.8L/5.3L V8
EC/SB--1500		 Side exit, EC/SB, 5x11x22" p-SS muffler
3" SS tubing, 4" slash/p-SS tip

15778

03-06

 4.3L V6  4.8L/5.3L V8
Classic EC/SB--1500		 5 x 8 x 18 in. Muffler, 3 in./2.5 in. Tubing, 3.5 in. Tips;
DUAL SPLIT REAR EXIT

15792

03-06

 4.3L V6  4.8L/5.3L V8
Classic EC/SB--1500		 5 x 11 x 22 in. Muffler, 2.5 in./3 in. Tubing, 3.5 in. Tips;
DUAL SAME SIDE EXIT IN FRONT OF TIRE

15842

03-06

 6.0L V8  2WD
EC/SB, VHO--SS/1500		 5 x 8 x 18 in. Muffler, 2.5 in./3 in. Tubing, 4 in. Tip;
SINGLE REAR SIDE EXIT

15838

03-06

 6.0L V8  2WD
EC/SB, VHO--SS/1500		 5 x 8 x 18 in. Muffler, 3 in. Tubing, 3.5in Tips;
DUAL SPLIT REAR EXIT

15840

01-02

 6.0L V8
EC/LB--2500		 5 x 11 x 22 in. Muffler, 3 in./4 in. Tubing, 4 in. Tip;
SINGLE REAR SIDE EXIT

15780

99-02

 4.3L V6  4.8L/5.3L V8
SC/SB--1500		 5 x 8 x 18 in. Muffler, 3 in. Tubing, 4 in. Tip,
SINGLE REAR SIDE EXIT

15617

99-02

 4.3L V6  4.8L/5.3L V8
SC/SB--1500		 5 x 8 x 18 in. Muffler, 3 in./2.5 in. Tubing, 3.5 in. Tips;
DUAL SPLIT REAR EXIT

15753

99-02

 4.3L V6  4.8L/5.3L V8
EC/SB--1500		 5 x 11 x 22 in. Muffler, 3 in. Tubing, 4 in. Tip,
SINGLE REAR SIDE EXIT

15618

99-02

 4.3L V6  4.8L/5.3L V8
EC/SB--1500		 5 x 8 x 18 in. Muffler, 3 in./2.5 in. Tubing, 3.5 in. Tips;
DUAL SPLIT REAR EXIT

15754

96-98

 5.7L V8
EC/SB--1500		 5 x 11 x 22 in. Dual Inlet Muffler, 2.5 in. Tubing, 3.5 in. Tip;
SINGLE REAR SIDE EXIT

15602

96-98

 5.7L V8
EC/SB--1500		 5 x 11 x 22 in. Dual Inlet Muffler, 2.5 in. Tubing, 3.5 in. Tips;
DUAL SPLIT REAR EXIT

15750

HEAVY-DUTY SIERRA & SILVERADO TRUCKS
See above for the light-duty Sierra & Silverado Truck Systems.
Year Vehicle Specs System Specs Part #

2007

 6.0L V8 Classic
CC/SB - 1500HD 		5 x 11 x 22 in. Muffler, 3 in./4 in. Tubing, 4 in. Tip;
SINGLE REAR SIDE EXIT

15782

2007

 6.0L V8 Classic
CC/SB - 1500HD 		5x 8 x 18 in. Muffler, 3 in/2.5 in. Tubing, 3.5 in. Tip;
DUAL SPLIT REAR EXIT

15828

03-06

 6.0L V8
CC/SB - 1500HD 		5 x 11 x 22 in. Muffler, 3 in./4 in. Tubing, 4 in. Tip;
SINGLE REAR SIDE EXIT

15782

03-06

 6.0L V8
CC/SB - 1500HD 		5x 8 x 18 in. Muffler, 3 in/2.5 in. Tubing, 3.5 in. Tip;
DUAL SPLIT REAR EXIT

15828

01-02

 6.0L V8
EC/SB - 1500HD 		5 x 11 x 22 in. Muffler, Side Exit, 3 in./4 in. Tubing, 4 in. Tip;
SINGLE REAR SIDE EXIT

15728

03-04

 6.0L V8 Classic
CC/SB - 2500HD		 5 x 11 x 22 in. Muffler, 3 in./4 in. Tubing, 4 in. Tip;
SINGLE REAR SIDE EXIT

15789

03-04

 6.0L V8 Classic
CC/SB - 2500HD		 5 x 8 x 18 in. Muffler, 3 in./2.5 in. Tubing, 3.5 in. Tip;
DUAL SPLIT REAR EXIT

15829

03-04

 8.1L V8
CC/LB - 2500HD		 5 x 11 x 22 in. Muffler, 3 in./4 in. Tubing, 4 in. Tip;
SINGLE REAR SIDE EXIT

15789

03-04

 8.1L V8
CC/LB - 2500HD		 5 x 8 x 18 in. Muffler, 3 in./2.5 in. Tubing, 3.5 in. Tip;
DUAL SPLIT REAR EXIT

15829

01-02

 8.1L V8
EC/LB - 2500HD		 5 x 11 x 22 in. Muffler, 3 in./4 in. Tubing, 4 in. Tip;
SINGLE REAR SIDE EXIT

15779

00-02

 6.0L V8
CC/SB - 2500HD		 5 x 11 x 22 in. Muffler, 3 in./4 in. Tubing, 4 in. Tip;
SINGLE REAR SIDE EXIT

15732
 
 
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SSR
ALL STAINLESS STEEL, MANDREL-BENT, CAT-BACK SYSTEMS
Year Vehicle Specs System Specs Part #

03-06

 5.3L/6.0L  V-8 5 x 8 x 18 in. Muffler, 3 in./2.5 in. Tubing, 5 in. Tip;
DUAL SPLIT REAR EXIT

15843
 
 
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Suburban, Yukon XL/Denali XL
ALL STAINLESS STEEL, MANDREL-BENT, CAT-BACK SYSTEMS
Year Vehicle Specs System Specs Part #

07-09

 5.3L V-8
Suburban 1500		 5 X 11 X 22in Muffler; 3in System; 5.5in Oval Tip;
SINGLE REAR SIDE EXIT

16722

00-06

 5.3L V-8
Suburban 1500		 5 x 11 x 22 in. Muffler, 3 in. Tubing, 4 in. Tip,
SINGLE REAR SIDE EXIT

15665

96-99

 5.7L V-8
Suburban 1500		 5 x 11 x 22 in. Dual Inlet Muffler, 2.5 in./3.5 in. Tubing; 4 in. Tip,
SINGLE REAR SIDE EXIT

15699

96-99

 5.7L V-8
Suburban 1500		 5 x 11 x 22 in. Single Inlet Muffler, 3 in. Tubing, 4 in. Tip;
SINGLE REAR SIDE EXIT

15700

07-09

 6.0L V-8
Suburban 2500		 3in System, 3.5in X 5.5in Polished Oval Tip.
SINGLE REAR SIDE EXIT

16725

01-06

 8.1L V-8
Suburban 2500		 5 x 11 x 22 in. Muffler, 3 in./4 in. Tubing, 4 in. Tip;
SINGLE REAR SIDE EXIT

15716

00-06

 6.0L V-8
Suburban 2500
Yukon XL		 5 x 11 x 22 in. Muffler, 3 in./4in. Tubing, 4 in. Tip;
SINGLE REAR SIDE EXIT

15798

03-04

 6.0L V-8
Denali XL		 Side exit, 5x11x22" p-SS muffler
2.5"/3" SS Tubing, 3.5"x5.5" oval/p-SS Tip

15837
 
 
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Hummer H2
ALL STAINLESS STEEL, MANDREL-BENT, CAT-BACK SYSTEMS
Year Vehicle Specs System Specs Part #

07-09

 V8 6.2L
H2/H2 SUT		 Exc. Air Bag Suspension
DUAL REAR EXIT

16771

07-09

 V8 6.2L
H2/H2 SUT		 Exc. Air Bag Suspension
DUAL SPLIT REAR EXIT

16772

03-06

 6.0L V8  GAS
H2/H2 SUT		 excl. Rear Air Susp. with Dual Compressors
5 x 11 x 22 in. Muffler, 3 in./2.5 in. Tubing,
3 in. x 3.5 in. Rectangle Tips, DUAL REAR EXIT

15770

03-06

 6.0L V8  GAS
H2/H2 SUT		 excl. Rear Air Susp. with Dual Compressors
5 x 11 x 22 in. Muffler, 3 in./2.5 in. Tubing,
3 in. x 3.5 in. Rectangle Tips, DUAL SPLIT REAR EXIT

16673

04-09

 L5 3.5L GAS
H3		 5 x 11 x 22 in. Muffler, 2.5 in. Tubing,
3.5 in. Tips, DUAL SPLIT REAR EXIT

16630
 
 
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Tahoe, Yukon/Denali
ALL STAINLESS STEEL, MANDREL-BENT, CAT-BACK SYSTEMS
Year Vehicle Specs System Specs Part #

07-09

 4.8L/5.3L V8
Tahoe, Yukon		 5 x 11 x 22 in. Muffler, 3 in. Tubing; 3.5 in. x 5.5 in. Oval Tip,
SINGLE REAR SIDE EXIT   (excl. Hybrid)

16672

00-04

 4.8L/5.3L V8
Tahoe, Yukon		 5 x 11 x 22 in. Muffler, 3 in. Tubing, 4 in. Tip,
SINGLE REAR SIDE EXIT

15666

96-99

 5.7L V8
Tahoe, Yukon		 5 x 11 x 22 in. Dual Inlet Muffler, 3 in./2.5 in. Tubing, 4 in. Tip;
SINGLE REAR SIDE EXIT  (4-Door Only)
(Yukon=96-99   Yukon Denali=1999 ONLY)

15701

96-99

 5.7L V8
Tahoe, Yukon		 5 x 11 x 22 in. Single Inlet Muffler, 3 in. Tubing, 4 in. Tip;
SINGLE REAR SIDE EXIT  (4-Door Only)
(Yukon=96-99   Yukon Denali=1999 ONLY)

15702

02-04

 6.0L V8
Yukon Denali		 Side exit, 5x11x22" p-SS muffler
3.5"/3" SS Tubing, 4" slash/p-SS Tip

15734
 
 
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Trailblazer
ALL STAINLESS STEEL, MANDREL-BENT, CAT-BACK SYSTEMS
Year Vehicle Specs System Specs Part #

02-09

 4.2L L6 5 X 11 x 22in. Muffler, 3in./Dual 2.5in System, Dual 4in. Stainless Tips,
DUAL SPLIT REAR EXIT   (113" wheelbase)

16704

06-07

 6.0L V8
SS-model		 5 x 8 x 14in. Muffler, 3in Tubing, 4in Tip,
SINGLE REAR EXIT

16656
 
 
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CC= Crew Cab | EC= Extended Cab | SC= Standard Cab | SB= Short Bed |
LB= Long Bed | P-SS= Polished Stainless Steel | SS Tubing= Stainless Steel Tubing.