- DNA Mufflers
- Lost power with DI/DO.. thinking about bullets
- exhaust help?
- just a thought
- glasspack
- opinions on intakes
- shop won't run true duals because of position of the O2 sensor on Y pipe
- where to find 3" mandrel bent tailpipe?
- Exhaust Done
- Opportunity knocks, kind of
- Is a crossover pipe needed with a Dual in/out muffler?
- Trying to find the exhaust sound i want need a little help
- What do you think about this set-up
- Exhaust Options for NNBS 07
- Are there good headers out there for an L31 Vortec?
- Exhaust Cackling
- Exhaust pictures
- x pipe question
- dynomax ultra flo X muffler
- Cats Cut Out=power/mileage Loss=myth
- Flowmaster #530504
- Where is the best place to buy replacement cats?
- Dynomax Crossflow Muffler
- Bullets.......
- 02 simulators
- '98 Tahoe Inlet/Outlet sizes.
- Anybody use Force mufflers?
- How many cats on 96 1500
- Header Install
- probably switching to bullets.....
- Exhaust ?
- Where Do I Get Dtc's Erased?
- True Dual Question..
- Header fitment ??
- Cherry Bomb Extreme's
- Glasspacks w/o converters
- Emissions and Headers
- Help with choosing a new exhaust setup 8.1L
- Beware when ordering a y-pipe from Summit
- Headers on 95 350 TBI? Help?
- No cats and chambered mufflers??
- reversible?
- opinions on exhaust please!
- 5.7l Vortec True Duals - Help!!
- any 5.3 with no cats??
- x-pipe or h-pipe
- gibson on nnbs
- Quick question
- loss of power
- Hooker Aero Chamber vs. Flow 50
- Opinions on these ebay headers?
- does it sound any good?
- Need Low End Back - Give me a set-up!!!
- What do ya think?!
- Cherry Bomb Extreme Vids
- 2.5 or 3in exhaust? NEED HELP!!!!!
- LTs w/Dual 3"??
- Anyone have experience with this Summit cat-back?
- I need your help! - Dual Exhaust
- LT guys.......how ya passing inspection?
- X pipe?
- Hooker headers
- catalytic converter
- 5.3 dual exhuast size
- 4.3 V6 headers
- 350 exhaust ?
- Exhaust Idea?
- cat question
- Ordered my exhaust today!
- new pipes
- Cutting Cats?
- Exhaust 4 My 6.0 Liter
- cheap exhaust mod opinions wanted
- damn...
- anyone have any experience with these summit headers?
- Magnaflow to Hooker?
- hooker headers
- Exhaust idea
- Dynomax Bullet Whistle
- header question
- Making flowmaster 50 LOUDER
- got loud exhaust?
- single in single out or single in dual out?
- 6.0 Vortec Headers
- Horrible gas milage.. cracked manifold
- Where to put O2 sensor?
- what to do?
- exhaust going bad???
- header collector size
- dumps instead of duals
- exhaust poppin
- Headers
- Would it hurt?
- New deeper sound
- anyone running V Force Mufflers?
- 5.3 exhaust
- Installing New Magnaflow Exhaust System, O2 Sensor Questions
- crazy exaust idea!!!
- exhaust
- cutout question
- Benefits of Headers on a 5.7L
- Magnaflow Cat Y-Pipe OBS
- What options do I have for the 8.1 Big Block ???
- new exhaust done engine back
- DIY Exhaust anyone
- edelbrock shorty headers installed
- I Need headers!!!
- No cats = Less power/gas mileage??
- Got on my flowtechs and super 44 :)
- Just got my bullets on!!!
- whats a good set up for a 89 2500 5.7L
- Banks Monster Exhaust On 5.3 Liter
- Header help
- i want mean sound out of my 2500HD
- Who's tried Gibson exhaust?
- Definitive Answer: Exhaust Setup for Torque
- 5.3 silverado upgrades!
- JBA Exhaust
- New exhaust tomorrow
- Hedman LT Question
- Muffer toward front or toward back?
- Exhaust Pics
- some more 4.3
- Cherry Bomb sound clip
- Dual pipe tips for single exhaust on a V6
- o2 simulators, which one?
- Exhaust Sound Clip
- where to get exhaust flanges?
- quick question
- Gutted question
- getting exhaust done today.
- Doug Thorley tri-y's for the 6.0?
- headers help (yes im a huge idiot)
- Headers
- Help with Exhaust Install
- Where Can I Find Flowmaster Exhaust
- Magnaflow Vs. Flowmaster
- Magna-Flow for my 07'?
- Exhaust performanc question
- whats the best set up for low end torque?
- Flowtech Shortys vs. Summit Shorties
- True Duals with Spintech Pro Streets
- stock y-pipe diameter
- Size of pipe?
- Quicktime Performance Electric Cutouts. Buyer beware
- Thinking of headers......and exhaust upgrade
- Deciding: LTs, OR Y pipe or not
- best muffler for towing
- Best exhaust on V6.
- summit racing exhaust
- Flame thrower who's got em...
- 2.25 pipe out of the collectors.....?
- exhuast help
- tbi headers? again
- How to get back pressure back with True Duals
- white smoke
- gutting cats
- best shorty headers for 350 TBI
- Bending Exhaust
- 5.3 Bullets on True Duals?? NEED ADVICE!!
- Long tube headers
- Ever see whats inside a stock muffler?
- Breathe/cool better shorty's for 454SS
- meffler need help!
- mabye a cherry bomb?
- Pre cat pipe replacement??
- Decent sounding, but cheap exhaust setup?
- need some exhaust help
- Horse power loss
- Exhaust Recommendation
- Another Super 44 video
- HEADER question
- Gibson split systems
- Thrush Turbo
- headers
- glasspacks?
- american thunder
- headers for my rado
- Quietest Performance Muffler??
- Waht do you guys and gals think?
- Thorley/Magnaflow
- need exaust advise for my 00 Z71 with 5.3L
- Easiest long tube headers (that connect to y-pipe) to install
- Magnaflow Tru-X
- Another muffler question
- High performance "Y" pipe and cats??
- dual 40's or single bullet?
- OBX Headers
- 5.3, duals, bullets...anyone have this setup?
- 4.8 Duals
- How many of you 2500HD 6.0 Owners have removed your Cats? What does it Sound Like?
- Super 40s or Super 44s
- True duals!
- Lt's vs. Shorty's
- Side Exit on OBS
- Any long tube headers that dont hang below the frame
- quick question
- real loud exhaust
- magnaflow cats & codes
- Need opinions for headers and cats set
- Explain a catback system
- what size pipe for true daul 5.7?
- Good Price?
- edelbrock catbacks
- exhaust????
- shorty headers for 89 chevy questions
- Long Tube Headers?
- Want to run two systems at once
- Help my truck sound badass
- EGR/02 Sensors delete??
- Help with new exhaust setup on 06 silvy
- Help With Cat Back Install
- pacesetter...Where to buy?
- Long tube header question
- Whats a good setup for a 99 OBS 4dr Tahoe?
- want new sound
- 93 Blazer Exhaust ?s And Tips
- 06 5.3 Super 40 Single in Dual out and cutout
- JBA cat back exhaust for the 07 Silverado
- Dynomax ultra flo X
- Straight Pipe???
- Which Muffler??
- Is $250 more worth true duals
- Exit in front of the rear tires??
- flowtech hedders?
- muffler change
- air injection manifolds
- Exhaust and Active Fuel Management??
- Pacesetter quick trip long tubes on NBS?
- hedman shorties for 6.0L?
- Flowmaster for 07 Vortec Max?
- Any big difference between stock manifolds and SHORTY headers on a 95 TBI 350?
- 98 3500 5.7 exhaust question
- how do i make a v8 growl
- Mufflers on a 454
- chevy 305CI exhaust sound?
- 2000 chev z71 exhaust questions.
- 98 vortec - worth replacing cats with high-flows?
- 3" dual tailpipes too big?
- is $700 ok. also just got pulled over for open headers
- New Guy With An Exhaust Question
- 8.1 suburban exhaust
- Gibson On 4.3?
- Back Pressure Theory
- Probably a stupid Question...
- OBX LT Headers with Cats for $500?!?!
- Gutted Cats on my 7.4L Vortec?
- weird???? spark plugs coming off. long tubes?
- 07 Vortec Max exhaust options
- Crossover (X pipe) question