Removing HK sub and CD changer

[lvm3sm46]

I would like to start removing things for weight savings and these seem like easy ones to get rid of since I rarely if ever listen the the radio.

Would removing these two items cause any issues with using the radio?

[DoubleSidedTape]

If you have the business cd radio, the only thing you need in the trunk is the amp. You can get a bracket that just holds the amp and uses a lot less metal. You can also fit different trunk side carpet that gives you a bit more storage space. The bracket is 65128370926.

[lvm3sm46]

I guess I should've mentioned I have Nav, what a pia it is.Im thinking single din stereo and two speakers would be good enough.

I think I can still use the bracket you referenced though. So thank you

[DoubleSidedTape]

Getting rid of nav is pretty involved, but it’s doable. You need either a non-nav harness or you have to run wires from where the BM54 plugs in in the trunk to a CD53 in the dash.

[TwoD]

When I replaced by HK Nav unit with an Avin unit + BavSound speakers I too removed the CD changer, and radio unit in the trunk. As DoubleSidedTape mentioned, you'll need a new harness from the trunk to the dash. If you are doing this purely for weight savings, then I personally wouldn't bother. The components in the trunk weigh next to nothing.

This is the cable I used, I don't believe the ends at the dash are specific to the Avin units so you should be able to use a business radio harness adapter Quadlock 6 Meter Navigation Extension Cable (avinusa.com)

[DoubleSidedTape]

I used that same cable, I ended up cutting the four connectors off at the dash end splicing in the connector for a business cd radio.

I haven’t weighed all this stuff, but I know it is a lot more than the business cd I put in, and eventually I’ll replace the harness with one from a non-nav car which will save a bit more since I have a lot of redundant wiring at the moment.

[Estoril]

Yeah - the sub is a real boat anchor. I was amazed how much it weighed when I pulled it from my track car. Weight up high too.

[usdmej]

If you are doing this purely for weight savings, then I personally wouldn't bother. The components in the trunk weigh next to nothing.

when i did my nav delete just the trunk components and speakers added up to about 26 pounds, so a decent amount of weight savings to be had

[Obioban]

I guess I should've mentioned I have Nav, what a pia it is.Im thinking single din stereo and two speakers would be good enough.

I think I can still use the bracket you referenced though. So thank you

That's kind of what I did-- I pulled out every stock stereo component and the stock wiring harness, swapped the OE Nav head unit for an Avin, and plugged my 4 speakers (which I selected by their weight) directly into the Avin, using its' internal amplifier. The modules/wiring/brackets totaled almost 50 lbs, and I gained a bunch of functionality (critically, wireless carplay, but also including track functionality-- I can monitor tire temps/pressures, or add extra gauges, or pull codes, etc, using the Avin).

All I've really lost is bass-- the mids/highs sound dramatically better than they ever did with the stock stereo. I have a stealthbox and tiny (2 lb) amp I could install, if I wanted the bass, also, but care about the weight savings more than the bass (especially since what I listen to is podcasts, 99% of the time).

[lvm3sm46]

Obioban that sounds like the perfect solution.

[TwoD]

when i did my nav delete just the trunk components and speakers added up to about 26 pounds, so a decent amount of weight savings to be had

I must be mis-remembering then... That was a long time ago . I recall the HK sub/amp being the main contributor.

[Obioban]

The stock stereo harness is pretty beefy— prewired for every possible option the car could have had. Removing that is pretty significant savings.

[usdmej]

I must be mis-remembering then... That was a long time ago . I recall the HK sub/amp being the main contributor.

its been a while since i did my audio project too, luckily i documented the component weights of what was removed because i'm always surprised by the numbers when i look them up again

i'll start another thread for reference sake

[lvm3sm46]

If it’s a dedicated track car, why not remove all audio components completely from the car including all speakers, NAV screen, brackets in trunk, subwoofer, and even the heavy wiring harness and put a CSL delete radio plate.

Than get a Bluetooth speaker that you leave on passanger seat when you drive the car on the street and to/from track. You will save way more weight and probably get better sound quality than half a HK oem system!

Im not sure where I am heading yet with this car. Im kinda torn between keeping it almost factory and ripping everything out. I am going to take it slow and enjoy the process either way.

[Obioban]

Im not sure where I am heading yet with this car. Im kinda torn between keeping it almost factory and ripping everything out. I am going to take it slow and enjoy the process either way.

There is a middle ground. The middle ground is the happy place.