a three chamber pipe recommended for SH .21 off road engines that delivers balanced low/mid/high speed power delivery, with a gusseted stinger for improved durability. This is the complete tuned pipe, with manifold, ...
Tuned Pipe With Manifold. This is the one piece variety and requires an off-road manifold, which attaches to the tuned pipe using three small springs (not included). This pipe is designed specifically ...