Xcessive's bolt on plenum kit for the SR20VE N1 manifold is designed to take advantage of the factory long runner lower section and dramatically increase flow for boosted motors. Featuring a resin base section with 50mm velocity stacks, this plenum kit will substatially increase the runner length. Our two piece runner/plenum design also allows for easier porting and polishing of the intake than standard welded designs.

   The plenum is reversable for use on front wheel drive or rear wheel drive cars where the throttle body needs to face the other direction. You may want our stainless throttle cable bracket. SEE BELOW

   The new plenum is permanent mold cast for superior finish and casting soundness with a phenolic shell core used for internal walls to yield some of the best quality available. The plenum is set up standard for the Q45 throttle body, but the N1 pattern is also available. (Up to 80 mm bore available and custom bolt patterns as special order, call prior to ordering.)Add $80 for N1 TB pattern.

Stock SR20VE N1 runners not included!! SEE BELOW