- 91 4.3 headers??
- 1989 4.3 will removing the catalytic converter?
- o2 sensor bypass help??
- 5.7l's with true duals & cats
- which would do better.
- cheap duals dumped
- How much to install new piping?
- Pipe Question
- choose the nex set-up for me, Please
- Installing the True Duals on the Suburban today...
- Need opinion on mufflers
- Your opinions!!
- Long tube headers with straight pipes?
- 2001 to 2002 exhaust differences?
- Exhaust system
- exhaust ideas
- Headers????
- any 2 dr tahoe guys in NJ?
- What is the Proper Name of the Adapter I need Formy Exhaust
- Exhaust sounds bad when AFM kicks in!!! HELP!!!!
- headers
- Dynomax VT mufflers..
- Edelbrock Shorty Headers
- Spintech
- how to make exhuast sound better
- 07 1500HD classic Flowmaster 530513
- New Cat
- more torque and less noise
- Want MORE POWER!
- More low end grunt?
- Headers for new Tahoe?
- buying a used gibson super truck exhaust for my gf's 5.3
- Y Pipe?
- Headers burning plug wires
- 305 Muffler ideas?
- Cat died
- Got The Exhaust Done!
- Performance enhancement or just better sound?
- cats to go with the magnaflow
- Is this muffler to big to work?
- Looking for Ideas
- better mpg?
- 454 header tonage?
- Exhaust Video
- want new exhaust
- Regular Cab Long Bed Exhaust on 2500HD 4x4
- Magnaflow
- Slp Loudmouth?????
- SLP Loudmouth
- Flowmasters?
- Replacing true duals Series 40s Flowmasters
- wrapping headers
- what exhaust size is better?
- Yet another OBS header question: About EGR piping
- Magnafowdirect fit cats
- Magnaflow and Flowmaster Exhausts 30% off at Amazon
- SLP Exhaust
- no cats
- flowmaster vs. glasspack
- hey, new guy here with some questions....
- anyone know anything about this ebay header/y pipe system NBS???
- 3.5" or 4.0" tips??? need some opinions tonight!!
- spintech prostreet
- 73 to 87 K10 headers
- New in Town
- Header Question
- question about cherrybomb glasspacks??
- Difference Between Torpedo Style Glasspack and A Glasspack
- How Will My exhuast Sound when its done?
- Exhaust idea, would it work or what you think?
- Pacesetter Longtubes 5.7 Vortec
- 14" or 18" magnaflows for a Suburban?
- Thorley Headers
- Cat Back Kit -Tahoe vs 'Burb
- ok need opinions 99 suburban dual exhaust
- Cherry Bomb glasspack
- Exhaust leak at the collectors
- Lost Back presure.... Need to make it up.
- What is this?
- need some help
- Vortec 350 Headers
- Cb extreme 2.5" or 2.25"
- Flowmaster 50 Series Dual Inlet Muffler??
- 350 vortec exhaust question
- Long tubes and Purple Hornie mufflers. Good I dea or No.
- cat delete with cutout questions
- magnaflow catback interchangable years
- Magna-flow High flow cat?
- 2000 Silverado 2500 6.0l gas
- x-pipe or h-pipe
- Long Tube Header Questions
- Best place to buy Gibson exhaust
- High Flow Cats
- Pacesetter OBS longtubes?
- headers...
- Walker 40295 y-pipe - '90 5.7L 1500
- true dual 6.0 vortec
- Flowmaster 10 series
- 01.6.0L without cats?
- Big Brown Truck Came Today
- does no body run thorley's?
- Headers?
- headers installed
- Just dropped off my Hoe at the exhaust shop...
- OBS a tale of big blocks and thorley headers
- 05 5.3 Magnaflow exhaust
- just ordered some cheap ebay SS headers for my obs.
- New Exhaust Plans...Need Opinions
- should i do it?
- exhaust hitting on cab badly, need help asap
- Turn down exhaust or Long pipe after muff?
- Cut out before the cat.
- 4.3L Exhaust
- 5.7 vortec suggestions
- 50 bucks a good deal
- whats the best muffler for the 4.6v8?
- Header question
- 2001 silverado 1500
- Dynomax Sucks
- Headers that are easy to install??
- what do you so with a 98 1500 5.7 350??
- nnbs exhaust
- obs w/o cats and 1 chamber muffler??
- Figuring out the right Flowmaster muffler
- clogged cats?
- Treated myself to a little B-day present.
- (1) 3" Thunderbolt cat enough for tbi 350 with vortec heads?
- 06 silverado 1500 exhaust questions
- put high flow cats on today...
- Need help finding headers to fit!!!!!
- Obs y-pipe upgrade
- replacing clogged obs cats
- No cats or replace?
- OBS smog shortys question...
- Just a few questions.
- Hollowing out a cat
- a little exhaust change
- 8.1 Exhaust
- Got my new exhaust done today
- going to take cats off?
- How To Brace My Pipe
- glass pack instead of cat
- 4.3L Headers?
- Mufflers ?? Please HELP
- Corsa dB System
- o2 sensor help or idea thanks!
- anyone know how to gut cats?
- Hooker Header
- question for those running headers?
- what would it take to get my burban to sound like this
- true duals
- 2500hd exhaust help!!!
- help please.
- Block Huggers anyone?
- New Exhaust
- flowmaster,magna flow,corsa...etc but what about?
- Cats only?
- spintech
- whats the difference is diameters on exhaust tubing?
- Header fit issue for my 1986 GMC K-1500
- spintech or slp?
- longtubes vs shorty headers
- Flowmaster 40s or Flowmaster 10 series
- CATS or No Cats????? Please help
- 1992 Chevy K1500 Hole in muffler
- Thunderbolt Cats for 98 Silverado
- new hedders couple questions....
- flowtech headers
- New Tips!!!
- Cats
- Looking for more info on Hooker Max Flow
- 04 5.3 corsa sport VIDEO
- pacesetter?
- exhaust idea
- exhaust system worth it?
- 1990 K1500 Exhaust Suggestions
- 03 Silverado Jet-Hot Coated Dynatech Header Install
- Will headers for regular tbi heads work on vortec heads.
- Modified exhaust and AFM
- True Dual Glasspacks
- Header bolt pattern?
- 1997 Silverado Exhaust Problem
- Question about Magnaflow
- PaceSetter LT Headers w/ Off Road Y Pipe
- 6.0 litre sound
- headers
- New Dynomax Cat Back for my truck
- 350 Headers.
- LT'S ORY and 3"BL
- Link for Exhaust info for NOOBs
- header flang size
- Dual 3" system for the Burb...
- Looking for longtube header advice silverado NBS 2009
- 97 k1500 exhaust
- O2 Sensor Extension Harnesses Question
- long tube header YJ pipe
- New exhaust video with LPP long tubes
- Replaceing stock muffler with magnaflow
- cat back system question
- header question
- Summit kit
- Headers???
- Exhaust problems...
- Pretty sure I want Flowmasters but....
- What do you guys think of this?
- Magnaflow 14 and 18 Vids
- somehow clogged cat thread was deleted
- Flo pro 2505, magnaflow, or flowmaster on 2500hd?
- X pipe for cleaner high pitch sound?
- Help
- Alittle Exhaust Manifold help
- help need tune
- Bad drone, what to do?
- Magnaflow 12259
- Exhaust Opinions
- flo pro on 2500hd with the 6.0?
- OBS big block headers
- I need low-end tq back.
- MBRP exhaust on 08 Silverado
- 04 5.3 scsb exhaust ?
- could be a bad idea... tell me
- Hush Thrush Exhaust???
- can i use the pre 95 hooker full length headers?
- Exhaust Options
- 07 NNBS Silverado Looking for some sound
- Summit Headers???
- Just added flowsound muffler
- Which angle for tips?
- cats?
- Can anyone tell me what series flowmaster I have?
- Corsa vs borla 6.0
- Magnaflow Spun Series Cat
- making longtubes fit?
- exhaust...cant decide
- cheap Long Tube headers would you recommend?
- Cherry Bomb Extreme
- Truck grew its own custom turn down
- Bought E-bay cat for my 94-got some ?'s......
- 02 simulators?
- Any advantage to true dual exhaust?
- flowmaster 30 series
- long tubes and a lift
- 94 k2500
- Can a crew cab corsa exhaust be modified to fit a ext cab? 2003 silverado
- Thought there would be a bigger difference.
- 5.3l performance exhaust
- Offset question
- After Burner Mufflers
- cherry bomb extreme
- Exhaust done right!