Exhaust Mods | Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum

Envoy Denali Long Tube Headers

1

1K

Main muffler delete?

14

4K

by Cindy and carlos

What size adapter to use

0

367

Exhaust exit through reverse light holes

1

3K

by TB-Al

Front o2 sensors needed with headers?

2

7K

by AWD V8

160 degree thermostat SLP

3

6K

Tranny heat from the Y-pipe

2

5K

5.3L Exhaust Mod

16

28K

Helmholtz Resonator

2

10K

I almost died

0

4K

by heilohombre25

full exhaust or muffler and delete resonator?

10

15K

by bajapescadero

Getting older, tired of my Magnaflow

5

4K

Best / cheapest way to get rid of cats and still pass inspection

1

3K

Resonator?

3

4K

Cutout

1

3K

Catalytic Converter Failure

13

31K

Magnaflow on

15

8K

Magnaflow in , Resonator out !

3 4 5

82

22K

bend in exhaust

5

5K

by MagnaFlow_Rep

Good oem muff replacement

1

4K

Very Cheap SS Exhaust

0

4K

flo-pro mufflers? Anyone hear of them....or hear them :)

1

4K

by 50655

Need help! With Resonator

2

20

11K

Change plugs & wires when doing headers?

11

7K

by ScarabEpic22

Anyone using MAGNAFLOW (or other) with OEM resonator?

7

5K

Sooo I found the perfect Exhaust note.

2 3

56

23K

Stainless Works 6.0 headers and true duals on a 5.3? Anyone?

2

24

13K

by Spong

Cracked manifold -what to expect

9

7K

Catalytic convertor

8

5K

Looking for V8 Exhaust Manifolds

0

3K

Dual Exhaust Questions

3

4K

LF best prices on corsa and kooks headers or used

2

4K

True Blue Dual Exhaust and Flowmaster 40

5

5K

tail pipe

4

4K

by petevw

OBX headers on and new exhaust. Some lessons learned

3

7K

by Diacom