K&N Filter Universal X-Stream Clamp-On Round Tprd 2.5in Flng ID x 6in Base OD x 5in Top OD x 6.5in H - RX-4860 fits_2014-`Infiniti`Q70 This down pipe includes a

This down pipe includes a 3rd O2 bung and plug for either a wide-band O2 gauge or auxiliary instrumentation

We also have many applications for round racing and universal clamp-on filters

Tein 17+ Mazda MX-5 Miata RF (NDERC) S-Tech Springs

Vehicle Compatibility: 99-00 Audi A4 Quattro (B5) 2

K&N Filter Universal X-Stream Clamp-On Round Tprd 2.5in Flng ID x 6in Base OD x 5in Top OD x 6.5in H - RX-4860 fits_2014-`Infiniti`Q70 This down pipe includes aK&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter area for higher air flow and a longer service interval. The XStream Air Filter provides awesome air flow and outstanding filtration. When racing, in any environment, racers need all the protection and airflow they can get. K&N delivers. All K&N universal air filters are constructed with ultra strong molded