[BSFATONOVICH]

Hey. V6 here. Found a shop that can do a catback, CAI and a DP. I've seen the other V6s they've done and am impressed. Thinking of going this route but would like some advice. I'm coming out of a super tuned VW. Thanks.

[Roasted7]

What shop?

[MiamiBlueCamaro]

Do it, and post in here with pictures.

[central limit]

Originally Posted by BSFATONOVICH

Hey. V6 here. Found a shop that can do a catback, CAI and a DP. I've seen the other V6s they've done and am impressed. Thinking of going this route but would like some advice. I'm coming out of a super tuned VW. Thanks.

Based on reading this forum, I gather there isn't much in the way of aftermarket upgrades for the V6, so I'm guessing that this tuner is offering custom parts--and you would probably be among the first to experience them, aside from the owners of the completed V6s that you saw.

Are you tuning for power, aesthetics, or some other objective? If it's aesthetics, and you like the way it looks/sounds/feels, then it would just come down to price and whether you're concerned about warranty implications.

Was your VW a turbo? If your tune included a flash, I gather that you saw very good gains, and that you're aware that the NA V6 isn't likely to gain anywhere near the same amount with just bolt-ons, or even bolt-ons with a flash. Some would argue that bolt-ons without a flash might not produce any material gains at all--but this only matters if you're tuning for power.

Also, when you say "DP", does this mean downpipe? I haven't heard of replacing specifically this on a non-turbo engine before, would be interested in the benefit.

[BSFATONOVICH]

Haha. Up too late and still thinking I'm driving a VW. Yeah the VW was turbo; doubled the HP in it. Replace DP with headers. Ultimately not expecting much in the way of power gains, but hopefully more sound and a small bump in performance. As far as warranty goes, who needs one anyway? The dealer has indicated they are friendly towards bolt on mods, but I requested a written confirmation....not yet. I will post pics when complete.

[central limit]

Originally Posted by BSFATONOVICH

Haha. Up too late and still thinking I'm driving a VW. Yeah the VW was turbo; doubled the HP in it. Replace DP with headers. Ultimately not expecting much in the way of power gains, but hopefully more sound and a small bump in performance. As far as warranty goes, who needs one anyway? The dealer has indicated they are friendly towards bolt on mods, but I requested a written confirmation....not yet. I will post pics when complete.

Gotcha. Well, if you are interested in sound, one thing to think about is whether you want to retain the sound induction tube on the factory intake, and whether the tuner's solution accounts for this. Personally, I like the sound tube on the LGX V6, though I removed it with a quickness from my pre-sounaktor MK6 GTI.

[cellsafemode]

exhaust changes are going to be sound aesthetic (and maybe a bit of weight savings) only. Unless you are removing the cats.

So few people have tested intakes on the lgx that it's not clear what benefit they provide over stock (especially after some time for any ecu coding to adapt). Bigger filter will improve air flow and that tends to be good but beyond that....who knows.

Not sure you've looked at the engine closely but you'll notice that the "DP" can't be replaced with headers so I'm not sure what improvement you'll be looking to make over the stock pipe leading to the cats.

Nobody's really even taken these to the track yet. The overall thus-far, all your boltons that you can think of outside of a power-adder has had minimal if any effect on power. Whenever anyone has said that they can feel a difference, they come back a week later saying it's gone. Meh, lots of anecdotal he said, she said when it comes to the LGX and very little scientific testing.

[Richard0nee]

Originally Posted by BSFATONOVICH

Haha. Up too late and still thinking I'm driving a VW. Yeah the VW was turbo; doubled the HP in it. Replace DP with headers. Ultimately not expecting much in the way of power gains, but hopefully more sound and a small bump in performance. As far as warranty goes, who needs one anyway? The dealer has indicated they are friendly towards bolt on mods, but I requested a written confirmation....not yet. I will post pics when complete.

Really? What dealer is this?

Dealers around here suck :/

[GTIanZ28]

Originally Posted by cellsafemode

exhaust changes are going to be sound aesthetic (and maybe a bit of weight savings) only. Unless you are removing the cats.

So few people have tested intakes on the lgx that it's not clear what benefit they provide over stock (especially after some time for any ecu coding to adapt). Bigger filter will improve air flow and that tends to be good but beyond that....who knows.

Not sure you've looked at the engine closely but you'll notice that the "DP" can't be replaced with headers so I'm not sure what improvement you'll be looking to make over the stock pipe leading to the cats.

Nobody's really even taken these to the track yet. The overall thus-far, all your boltons that you can think of outside of a power-adder has had minimal if any effect on power. Whenever anyone has said that they can feel a difference, they come back a week later saying it's gone. Meh, lots of anecdotal he said, she said when it comes to the LGX and very little scientific testing.

This!

Based on the way the exhaust is done on this engine you aren't going to see any power increases.

Notice it's just a single exhaust port. No headers for our cars and a cat back would probably just change up the sound of your car. Do you have the NPP exhause? Because there is chevy "performance" exhaust for the LGX. Think Glenn E had them installed on his car.

I have a ported throttle body and ported/filled intake manifold. I felt that there was some unlocked power. Been waiting on a CAI before a trip to the dyno to do some A/B testing.

I think the general consensus is that there won't be much more power available short of running a supercharger or turbos.

[BSFATONOVICH]

It's sounds like I'm glad I checked in here. The place said that the header/do would connect to the manifold and bypass the cat. I had been curious about the catback sound and liked it upon hearing it. Sounds like I may need to alter my plans.

[PolynesianPowerhouse]

Anytime you replace a restrictive stock exhaust, you will almost always gain some power

Stock exhaust in the muffler area is designed to allow the exhaust gases to expand and cool down which slows performance but makes things quiet. This is what the AVG PUBLIC wants. Not performance minded.

Anytime you make an engine able to do work easier, you will see less pumping loses and more power to the wheels. Period. It's not a sound thing only.555

Doesn't matter what car or design the exhaust is in. The 5th gen v6s had dual cats as well so that's not really much an excuse.

[Ogyellowhammer]

I just installed the Borla ATAK w/o NPP but still with Quad exhaust tips axle back system today, it required me to cut the stock exhaust which at first i didnt trust myself doing but then i ended up doing it anyways. It was probably one of the best decisions ive made, ive asked local dealerships in my area and they were all estimating around $200 just to install it. I literally just bought jack stands and a car jack and used a wrench and it did all the work. Saved $150

[BSFATONOVICH]

Originally Posted by Ogyellowhammer

I just installed the Borla ATAK w/o NPP but still with Quad exhaust tips axle back system today, it required me to cut the stock exhaust which at first i didnt trust myself doing but then i ended up doing it anyways. It was probably one of the best decisions ive made, ive asked local dealerships in my area and they were all estimating around $200 just to install it. I literally just bought jack stands and a car jack and used a wrench and it did all the work. Saved $150

Pics? I am debating the quad tips as well. Thanks.

[gringo]

Originally Posted by PolynesianPowerhouse

Anytime you replace a restrictive stock exhaust, you will almost always gain some power

Stock exhaust in the muffler area is designed to allow the exhaust gases to expand and cool down which slows performance but makes things quiet. This is what the AVG PUBLIC wants. Not performance minded.

Anytime you make an engine able to do work easier, you will see less pumping loses and more power to the wheels. Period. It's not a sound thing only.555

Doesn't matter what car or design the exhaust is in. The 5th gen v6s had dual cats as well so that's not really much an excuse.

Well, I think what he was getting at was the LFX/LGX have "integrated" exhaust manifolds in the cylinder heads. Sure, you can change the down pipes and the cats. However, if you don't have any way to change the exhaust manifolds themselves since they're integrated in the heads, you won't realize the full power gains from a free flow exhaust with headers like the old LLT.

A higher cell count cat convertor with a mid mounted X-pipe and suitcase delete will help, but other than that, there's not much else you can do really. That is, until someone starts porting the integrated exhaust manifolds in the heads for more flow.