Seen a few YouTube videos of this American tuning company. They produce some unbelievable performance modifications to Ferraris, Lambos etc
Here is a YouTube link of a Underground racing turbo'd Ferrari F430 spyder vs a standard Gallardo 570.
Forward to 1min 30 for the race
http://www.youtube.com/watch?v=BGhzTAlkx-8
Was wondering if anyone else had heard much about these guys? My concern would be reliability (that's if i could afford it!)
Underground Racing
Underground Racing
Sold: 2012 RS3 APR St2 exclusive buckets!
Sold: 2014 Audi S4 Avant Black Edition (too slow as a stock car-doesn't sound good);
2016 RS6 performance with Non-res milltek (gutted to sell it) ;
2014 C7, Misano c6 mrc stage 2. AAS Custom Exhaust, cat bypass, itg filters. 731ps 1058nm. Superrbike quick!
TTS RS4 -amazing machine,
Previous:
many, many cars; all great and well-remembered!
Sold: 2014 Audi S4 Avant Black Edition (too slow as a stock car-doesn't sound good);
2016 RS6 performance with Non-res milltek (gutted to sell it) ;
2014 C7, Misano c6 mrc stage 2. AAS Custom Exhaust, cat bypass, itg filters. 731ps 1058nm. Superrbike quick!
TTS RS4 -amazing machine,
Previous:
many, many cars; all great and well-remembered!
Re: Underground Racing
Their pipework is pure art/porn.
Heffner do a good job too.
Heffner do a good job too.
No matter where you go, there you are.
Re: Underground Racing
Good pictures there! I think if money was no object then this is the route i'd be going. The power is rediculous!
Sold: 2012 RS3 APR St2 exclusive buckets!
Sold: 2014 Audi S4 Avant Black Edition (too slow as a stock car-doesn't sound good);
2016 RS6 performance with Non-res milltek (gutted to sell it) ;
2014 C7, Misano c6 mrc stage 2. AAS Custom Exhaust, cat bypass, itg filters. 731ps 1058nm. Superrbike quick!
TTS RS4 -amazing machine,
Previous:
many, many cars; all great and well-remembered!
Sold: 2014 Audi S4 Avant Black Edition (too slow as a stock car-doesn't sound good);
2016 RS6 performance with Non-res milltek (gutted to sell it) ;
2014 C7, Misano c6 mrc stage 2. AAS Custom Exhaust, cat bypass, itg filters. 731ps 1058nm. Superrbike quick!
TTS RS4 -amazing machine,
Previous:
many, many cars; all great and well-remembered!
Underground Racing
Big supplier of some cracking cars but my vote stays with Heffner Performance 
HD
HD
R8 V10 Coupe, R-Tronic - Ibis White & All the Carbon + Ceramics + Heffner Performance Twin Turbo.
Re: Underground Racing
Nudenut, keen to hear any feedback from your stasis/heffner drives....
Daytona C6 RS6 Avant: Demand Engineering Exhaust (Downpipes custom to tip)
Soon to add: Hybrid Turbos; Uprated Gearbox; Marston Intercoolers; ECU / TCU mapping
Soon to add: Hybrid Turbos; Uprated Gearbox; Marston Intercoolers; ECU / TCU mapping
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