Exhaust | Chevy Astro and GMC Safari Forum

Stock exhaust diameter

2

21

7K

by sixsix

anyone ever try building your own headers?

7

389

by justbegoodtoher

I did a thing

5

532

Catalytic converter rubber isolator mount….what are you using?

5

355

by gwd

Direct fit catalytic converter install

5

1K

by VannyD

Shaking while driving

3

328

by gwd

02 sensor

2

317

by Sailing_Faith

Smog check locations

2

211

What caused our bad catalytic converter?

15

659

by sixsix

Replacing the gasket between the cat and muffler.

5

370

1994 Silverado 5.7 shorty headers

0

193

1991 Muffler - AWD vs RWD?

1

269

Muffler

9

677

Replacement headers/manifold 1986 cl 4.3

1

199

Is it super charged

5

904

Headers - Say it isn't so!!!

5

842

Y-Pipe Was SPLIT!

13

789

Head scratcher for aftermarket Muffler

2

23

2K

1994 Astro Van Rectangular Engine Air Filter Housing Hose outlet in rear of Housing- Help

1

369

Has anybody add a catalytic converter protection plating or expanded metal to cover the vulnerable area.

9

2K

by GasTungstenArc

What are the chances my cat should be replaced?

3

618

quick question about welding exhaust

2

20

1K

by GasTungstenArc

Exhaust stuff I ordered for spring

7

801

Smaller but efficient muffler

18

1K

PASSING EMISSIONS NOx SNIFF TEST WITH EGR REMOVED

7

1K

by stent

emissions mission 2011

6

2K

Looking For a Quiet Muffler

12

1K

Can a worn out muffler cause P0101 and P0102 codes?

8

1K

Someone used rams horn style exhaust manifolds on an AWD with V8

2

548

Any suggestions for removing this little #£(!&!?

11

1K

Waiting for 1 part

14

840

Muffler rattling diagnosis

2

39

5K

HEADERS!! HEADERS!! HEADERS!!

2 3 4

64

13K

Has anyone fit Syclone exhaust Manifolds on an AstroSafari

7

1K

Exhaust Removal

4

908

by dramey