Exhaust

Produces from 3-18 HP gain depending on application. SPI’s single pipes produce a wider power band, with great bottom end power, and improved top end speed. Comes ceramic coated for under hood temps and improved performance. All pipes use stock mounting...

Produces from 3-18 HP gain depending on application. SPI’s single pipes produce a wider power band, with great bottom end power, and improved top end speed. Comes ceramic coated for under hood temps and improved performance. All pipes use stock mounting...

5” muffler bodyLouder than trail versionLighter than stock2 Year warrantyImproved throttle responseQuick and simple installationHuge weight savingsMade from 304 stainlessUses stock springs and hangersDyno proven performanceFlo-bench tested for back...

Designed to be lighter and louder than our original lightweight muffler8-15 pound weight savingsMade from mild steel and ceramic coatedMade in the USASPEEDWERX always has performance on their minds. Their mufflers will either perform same as or better...

Produces from 3-18 HP gain depending on application. SPI’s single pipes produce a wider power band, with great bottom end power, and improved top end speed. Comes ceramic coated for under hood temps and improved performance. All pipes use stock mounting...

Designed to be lighter and louder than our original lightweight muffler8-15 pound weight savingsMade from mild steel and ceramic coatedMade in the USASPEEDWERX always has performance on their minds. Their mufflers will either perform same as or better...