- Air box mounting mod
- best choice of engine swap for 2006 HHR
- 2.4 Exhaust on 2.2?
- Exhaust Manifold leak
- 2007 LT 2.2 Magnaflow pictures
- Trifecta tune for 2.4 lt
- Dual side pipes from single collector header.
- trifecta tune
- J. Hunto's Garage New Engine
- performance exhaust
- help
- Obd chip
- nrvous1's ZZP Header Thread
- underhood dress up
- need help with ecm
- 3.0L Ecotec
- LE5 camshaft
- Exhaust Picture
- stock ss exhaust on a 2.2/2.4
- Intercooler pipes?
- Exhaust visual
- airaid or k&n for 2.4l
- better breathing ?
- N1 style canister eBay muffler??
- Did a fuel economy run after mods finally
- need moar loud
- Need a Tach wire
- Borla closeout
- K&N Air Intake
- Forge BPV Help!
- 02 Defouler?
- mod bug bites again
- Computer mods to remove governor from the 2.4 twin cam mated to a 5 speed
- Valve cover question
- Piping size
- Painted Charge Pipes!
- Cat Back Exhaust
- Which Cat-back exhaust system
- Anybody using Flowmaster DBX series?
- My Mods so far
- Which exhaust configuration do you like?
- Coil pack cover
- New Owner thinking about Exhaust Modification
- Cams and Header
- ZZP header & cat back on 2.2L Auto L61?
- Replacing 2.2 cylinder head- want to upgrade
- Borla Muffler???
- $6 exhaust mod
- CIA Intercooler Piping???
- Powder Coated Valve Cover
- Flowmaster on HHR SS = misfires on NLS?
- Fusebox Cover
- badmab header
- Flowmaster 40 series muffler
- Supercharging the LE5?
- Muffler delete video
- Hahn Intercooler
- Auto and Manuel SS Catback.
- stainless hoodliner
- Hahn racing exhaust
- LSJ manifold and down pipe installed
- Custom Air-Box Lids
- Resonator delete
- Photoshop help with decal
- The Many Sounds of our Wagons!
- Dual Exhaust Mufflers
- sc exhaust
- 08 SS Muffler
- Not a fan of how the stock muffler looks
- Headers a good idea?
- aftermarket downpipe to semi factory exhaust
- My Dual Exhaust
- Lexan lid lift
- TTR sway bar ordered....
- Thrush 17713 turbo muffler SOUND CLIP WANTED
- Carbon Fiber
- Valve Cover Face Lift
- Resonator exhaust tip from o'riely/kragens/auto zone
- looking for honda sounding exhaust - do they make it?
- Got new exhaust!!
- ZZP HHR exhaust
- Duels
- Exhaust swap.
- muffler delete
- BlingLights Cold Air Intake?
- New Muffler
- stainless firewall
- Gloss Black available, flat Blk not, have to wait
- Painted Some engine parts today !
- Decided to go flat black Vynal...
- resonator
- hood shock covers
- Transformer HHR GOES DUAL...
- Oil Pressure Guage
- engine compartment
- Exhaust diameter
- Paint the Rear of the Muffler .. Anybody ??
- Oil Filler Cap
- painted gmpp intake
- Catback worth it?
- Exhaust Choice
- Painted my fusebox
- exhaust finally came in...
- exhaust
- Cherry Bomb exhaust
- dual exhaust
- exhaust
- Exhaust mods?
- performance muffler
- Removing the SS Exhaust tip?
- Flowmaster 80
- Custom Exhaust?
- CGS Axle Back Exhaust
- muffler?
- which exhaust sounds the best