While smoking your Lexus GS400 taillights (tinting them) is certainly possible through the use of carefully applied spray tint (use light even coats), doing so may make them too dark to be legal. Please check your local laws as well as smoked Lexus GS400 taillights of any darkness might be illegal in your area.
As far as we know the Sonar (aka Spyder) and KS (Anzo) brand tail lights on our website are all street legal as mandated by federal law in the United States. This basically means that they are designed to the specifications set forth by the DOT (United States Department of Transportation). Occasionally, DOT might test models for compliance. If any Lexus GS400 taillights fail (rare) DOT will have the companies issue a recall. For those tail lens, you can return them to us for a refund. For any other brands besides Sonar (aka Spyder) and KS (aka Anzo), we can not guarantee DOT compliance. Also, please be advised that your local laws that may disallow these sorts of taillights to be used.
These Lexus GS400 Tail Lights are the Smoke color of SPEC-D's LED Tail Lights, they use super bright and fast L.E.D. technology, designed to specifically fit your Lexus GS400. They replace both GS400 OE tails and connect to your stock harnesses, using their power to light up the LED function... no extra parts required. Also, unlike the LED tails from other companies, SPEC-D LED Taillamps give your Lexus GS400 the LED look without worries of burn outs... These Lexus GS400 SPEC-D Smoke LED Tail Lens have resistors that are reasily replaced by SPEC-D while under warranty.
The 2nd-gen Lexus GS400 (S160) Tail Lights can be found in OEM, Altezza, and Euro styles that all maintain OEM standard fitment while providing a variety of different looks. Some 1998-2005 Lexus GS400 Tail Lights include modern LED lighting that provides improved lighting quality and aesthetics while others use standard halogen bulbs.