i am looking to have the viper 350HV and their telling me i need to get the DLPK Bypass made by Express Kit but reading up on that bypass it works off of Nissan, Infinity, and GMC vehicles....Now is it compatible for the 04 TL as well before i let bestbuy try and install this thing and then tell me they cant after its ripped apart?

 

also is that bypass of good quality

 

anybody.....just need to know what bypass was used for other TL viper installs